Bump the go_modules group across 3 directories with 2 updates

[dependabot]

Bumps the go_modules group with 1 update in the / directory: go.opentelemetry.io/otel/sdk.
Bumps the go_modules group with 1 update in the /examples/otel/metrics directory: go.opentelemetry.io/otel/sdk.
Bumps the go_modules group with 1 update in the /examples/sqlite-vec directory: github.com/modelcontextprotocol/go-sdk.

Updates go.opentelemetry.io/otel/sdk from 1.38.0 to 1.40.0

Changelog

Sourced from go.opentelemetry.io/otel/sdk's changelog.

[1.40.0/0.62.0/0.16.0] 2026-02-02

Added

• Add AlwaysRecord sampler in go.opentelemetry.io/otel/sdk/trace. (#7724)
• Add Enabled method to all synchronous instrument interfaces (Float64Counter, Float64UpDownCounter, Float64Histogram, Float64Gauge, Int64Counter, Int64UpDownCounter, Int64Histogram, Int64Gauge,) in go.opentelemetry.io/otel/metric. This stabilizes the synchronous instrument enabled feature, allowing users to check if an instrument will process measurements before performing computationally expensive operations. (#7763)
• Add go.opentelemetry.io/otel/semconv/v1.39.0 package. The package contains semantic conventions from the v1.39.0 version of the OpenTelemetry Semantic Conventions. See the migration documentation for information on how to upgrade from go.opentelemetry.io/otel/semconv/v1.38.0. (#7783, #7789)

Changed

• Improve the concurrent performance of HistogramReservoir in go.opentelemetry.io/otel/sdk/metric/exemplar by 4x. (#7443)
• Improve the concurrent performance of FixedSizeReservoir in go.opentelemetry.io/otel/sdk/metric/exemplar. (#7447)
• Improve performance of concurrent histogram measurements in go.opentelemetry.io/otel/sdk/metric. (#7474)
• Improve performance of concurrent synchronous gauge measurements in go.opentelemetry.io/otel/sdk/metric. (#7478)
• Add experimental observability metrics in go.opentelemetry.io/otel/exporters/stdout/stdoutmetric. (#7492)
• Exporter in go.opentelemetry.io/otel/exporters/prometheus ignores metrics with the scope go.opentelemetry.io/contrib/bridges/prometheus. This prevents scrape failures when the Prometheus exporter is misconfigured to get data from the Prometheus bridge. (#7688)
• Improve performance of concurrent exponential histogram measurements in go.opentelemetry.io/otel/sdk/metric. (#7702)
• The rpc.grpc.status_code attribute in the experimental metrics emitted from go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc is replaced with the rpc.response.status_code attribute to align with the semantic conventions. (#7854)
• The rpc.grpc.status_code attribute in the experimental metrics emitted from go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc is replaced with the rpc.response.status_code attribute to align with the semantic conventions. (#7854)

Fixed

• Fix bad log message when key-value pairs are dropped because of key duplication in go.opentelemetry.io/otel/sdk/log. (#7662)
• Fix DroppedAttributes on Record in go.opentelemetry.io/otel/sdk/log to not count the non-attribute key-value pairs dropped because of key duplication. (#7662)
• Fix SetAttributes on Record in go.opentelemetry.io/otel/sdk/log to not log that attributes are dropped when they are actually not dropped. (#7662)
• Fix missing request.GetBody in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp to correctly handle HTTP/2 GOAWAY frame. (#7794)
• WithHostID detector in go.opentelemetry.io/otel/sdk/resource to use full path for ioreg command on Darwin (macOS). (#7818)

Deprecated

• Deprecate go.opentelemetry.io/otel/exporters/zipkin. For more information, see the OTel blog post deprecating the Zipkin exporter. (#7670)

[1.39.0/0.61.0/0.15.0/0.0.14] 2025-12-05

Added

• Greatly reduce the cost of recording metrics in go.opentelemetry.io/otel/sdk/metric using hashing for map keys. (#7175)
• Add WithInstrumentationAttributeSet option to go.opentelemetry.io/otel/log, go.opentelemetry.io/otel/metric, and go.opentelemetry.io/otel/trace packages. This provides a concurrent-safe and performant alternative to WithInstrumentationAttributes by accepting a pre-constructed attribute.Set. (#7287)
• Add experimental observability for the Prometheus exporter in go.opentelemetry.io/otel/exporters/prometheus. Check the go.opentelemetry.io/otel/exporters/prometheus/internal/x package documentation for more information. (#7345)
• Add experimental observability metrics in go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc. (#7353)
• Add temporality selector functions DeltaTemporalitySelector, CumulativeTemporalitySelector, LowMemoryTemporalitySelector to go.opentelemetry.io/otel/sdk/metric. (#7434)
• Add experimental observability metrics for simple log processor in go.opentelemetry.io/otel/sdk/log. (#7548)
• Add experimental observability metrics in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc. (#7459)

... (truncated)

Commits

• a3a5317 Release v1.40.0 (#7859)
• 77785da chore(deps): update github/codeql-action action to v4.32.1 (#7858)
• 56fa1c2 chore(deps): update module github.com/clipperhouse/uax29/v2 to v2.5.0 (#7857)
• 298cbed Upgrade semconv use to v1.39.0 (#7854)
• 3264bf1 refactor: modernize code (#7850)
• fd5d030 chore(deps): update module github.com/grpc-ecosystem/grpc-gateway/v2 to v2.27...
• 8d3b4cb chore(deps): update actions/cache action to v5.0.3 (#7847)
• 91f7cad chore(deps): update github.com/timakin/bodyclose digest to 73d1f95 (#7845)
• fdad1eb chore(deps): update module github.com/grpc-ecosystem/grpc-gateway/v2 to v2.27...
• c46d3ba chore(deps): update golang.org/x/telemetry digest to fcf36f6 (#7843)
• Additional commits viewable in compare view

Updates go.opentelemetry.io/otel/sdk from 1.36.0 to 1.40.0

Changelog

Sourced from go.opentelemetry.io/otel/sdk's changelog.

[1.40.0/0.62.0/0.16.0] 2026-02-02

Added

• Add AlwaysRecord sampler in go.opentelemetry.io/otel/sdk/trace. (#7724)
• Add Enabled method to all synchronous instrument interfaces (Float64Counter, Float64UpDownCounter, Float64Histogram, Float64Gauge, Int64Counter, Int64UpDownCounter, Int64Histogram, Int64Gauge,) in go.opentelemetry.io/otel/metric. This stabilizes the synchronous instrument enabled feature, allowing users to check if an instrument will process measurements before performing computationally expensive operations. (#7763)
• Add go.opentelemetry.io/otel/semconv/v1.39.0 package. The package contains semantic conventions from the v1.39.0 version of the OpenTelemetry Semantic Conventions. See the migration documentation for information on how to upgrade from go.opentelemetry.io/otel/semconv/v1.38.0. (#7783, #7789)

Changed

• Improve the concurrent performance of HistogramReservoir in go.opentelemetry.io/otel/sdk/metric/exemplar by 4x. (#7443)
• Improve the concurrent performance of FixedSizeReservoir in go.opentelemetry.io/otel/sdk/metric/exemplar. (#7447)
• Improve performance of concurrent histogram measurements in go.opentelemetry.io/otel/sdk/metric. (#7474)
• Improve performance of concurrent synchronous gauge measurements in go.opentelemetry.io/otel/sdk/metric. (#7478)
• Add experimental observability metrics in go.opentelemetry.io/otel/exporters/stdout/stdoutmetric. (#7492)
• Exporter in go.opentelemetry.io/otel/exporters/prometheus ignores metrics with the scope go.opentelemetry.io/contrib/bridges/prometheus. This prevents scrape failures when the Prometheus exporter is misconfigured to get data from the Prometheus bridge. (#7688)
• Improve performance of concurrent exponential histogram measurements in go.opentelemetry.io/otel/sdk/metric. (#7702)
• The rpc.grpc.status_code attribute in the experimental metrics emitted from go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc is replaced with the rpc.response.status_code attribute to align with the semantic conventions. (#7854)
• The rpc.grpc.status_code attribute in the experimental metrics emitted from go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc is replaced with the rpc.response.status_code attribute to align with the semantic conventions. (#7854)

Fixed

• Fix bad log message when key-value pairs are dropped because of key duplication in go.opentelemetry.io/otel/sdk/log. (#7662)
• Fix DroppedAttributes on Record in go.opentelemetry.io/otel/sdk/log to not count the non-attribute key-value pairs dropped because of key duplication. (#7662)
• Fix SetAttributes on Record in go.opentelemetry.io/otel/sdk/log to not log that attributes are dropped when they are actually not dropped. (#7662)
• Fix missing request.GetBody in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp to correctly handle HTTP/2 GOAWAY frame. (#7794)
• WithHostID detector in go.opentelemetry.io/otel/sdk/resource to use full path for ioreg command on Darwin (macOS). (#7818)

Deprecated

• Deprecate go.opentelemetry.io/otel/exporters/zipkin. For more information, see the OTel blog post deprecating the Zipkin exporter. (#7670)

[1.39.0/0.61.0/0.15.0/0.0.14] 2025-12-05

Added

• Greatly reduce the cost of recording metrics in go.opentelemetry.io/otel/sdk/metric using hashing for map keys. (#7175)
• Add WithInstrumentationAttributeSet option to go.opentelemetry.io/otel/log, go.opentelemetry.io/otel/metric, and go.opentelemetry.io/otel/trace packages. This provides a concurrent-safe and performant alternative to WithInstrumentationAttributes by accepting a pre-constructed attribute.Set. (#7287)
• Add experimental observability for the Prometheus exporter in go.opentelemetry.io/otel/exporters/prometheus. Check the go.opentelemetry.io/otel/exporters/prometheus/internal/x package documentation for more information. (#7345)
• Add experimental observability metrics in go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc. (#7353)
• Add temporality selector functions DeltaTemporalitySelector, CumulativeTemporalitySelector, LowMemoryTemporalitySelector to go.opentelemetry.io/otel/sdk/metric. (#7434)
• Add experimental observability metrics for simple log processor in go.opentelemetry.io/otel/sdk/log. (#7548)
• Add experimental observability metrics in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc. (#7459)

... (truncated)

Commits

• a3a5317 Release v1.40.0 (#7859)
• 77785da chore(deps): update github/codeql-action action to v4.32.1 (#7858)
• 56fa1c2 chore(deps): update module github.com/clipperhouse/uax29/v2 to v2.5.0 (#7857)
• 298cbed Upgrade semconv use to v1.39.0 (#7854)
• 3264bf1 refactor: modernize code (#7850)
• fd5d030 chore(deps): update module github.com/grpc-ecosystem/grpc-gateway/v2 to v2.27...
• 8d3b4cb chore(deps): update actions/cache action to v5.0.3 (#7847)
• 91f7cad chore(deps): update github.com/timakin/bodyclose digest to 73d1f95 (#7845)
• fdad1eb chore(deps): update module github.com/grpc-ecosystem/grpc-gateway/v2 to v2.27...
• c46d3ba chore(deps): update golang.org/x/telemetry digest to fcf36f6 (#7843)
• Additional commits viewable in compare view

Updates github.com/modelcontextprotocol/go-sdk from 1.0.0 to 1.3.1

Release notes

Sourced from github.com/modelcontextprotocol/go-sdk's releases.

v1.3.1

This release is a patch release for v1.3.0.

It contains a cherry-pick for a security issue reported in #805, which takes advantage of the default behavior of Go's standard library JSON decoder that allows case-insensitive matches to struct field names (or "json" tags). The issue has been addressed by changing the JSON decoder to one that supports case sensitive matching.

Fixes

• all: use case-sensitive JSON unmarshaling by @​maciej-kisiel in modelcontextprotocol/go-sdk#807

New external dependencies

• https://github.com/segmentio/encoding, which is the package that provides the new decoder.

Full Changelog: modelcontextprotocol/go-sdk@v1.3.0...v1.3.1

v1.3.0

This release is equivalent to v1.3.0-pre.1. Thank you to those who tested the pre-release.

This release includes several enhancements and bugfixes. Worth mentioning is the addition of schema caching, which significantly improves the performance in some stateless server deployment scenarios.

Dependency updates

• go.mod: upgrade to jsonschema v0.4.2 by @​jba in modelcontextprotocol/go-sdk#732

Enhancements

• perf: add schema caching to avoid repeated reflection by @​SamMorrowDrums in modelcontextprotocol/go-sdk#685
• mcp: add DisableListening option to StreamableClientTransport by @​zxxf18 in modelcontextprotocol/go-sdk#729
• feat: deprecated logger in client & add Logger in ClientOption by @​CocaineCong in modelcontextprotocol/go-sdk#738
• feat: deleted the old logger in client by @​CocaineCong in modelcontextprotocol/go-sdk#744
• Export GetError and SetError methods by @​jba in modelcontextprotocol/go-sdk#753

Bugfixes

• fix: connectStandaloneSSE checking Content-Type header by @​liushuangls in modelcontextprotocol/go-sdk#736
• mcp: fix SSEClientTransport to report HTTP errors properly by @​hassan123789 in modelcontextprotocol/go-sdk#740
• mcp: add Allow header to 405 responses per RFC 9110 §15.5.6 by @​SamMorrowDrums in modelcontextprotocol/go-sdk#757
• mcp: fix a race condition in logging by @​maciej-kisiel in modelcontextprotocol/go-sdk#761

Chores

• docs: adds SDK version support matrix by @​La002 in modelcontextprotocol/go-sdk#737
• .github/workflows: add nightly conformance tests by @​findleyr in modelcontextprotocol/go-sdk#752

New Contributors

• @​La002 made their first contribution in modelcontextprotocol/go-sdk#737
• @​hassan123789 made their first contribution in modelcontextprotocol/go-sdk#740
• @​liushuangls made their first contribution in modelcontextprotocol/go-sdk#736
• @​CocaineCong made their first contribution in modelcontextprotocol/go-sdk#738
• @​zxxf18 made their first contribution in modelcontextprotocol/go-sdk#729
• @​SamMorrowDrums made their first contribution in modelcontextprotocol/go-sdk#685
• @​maciej-kisiel made their first contribution in modelcontextprotocol/go-sdk#761

Full Changelog: modelcontextprotocol/go-sdk@v1.2.0...v1.3.0

... (truncated)

Commits

• 6e8ca56 all: use case-sensitive JSON unmarshaling (#807)
• 6b75899 mcp: fix a race condition in logging
• 52e03de mcp: add Allow header to 405 responses per RFC 9110 §15.5.6 (#757)
• c2c7edc perf: add schema caching to avoid repeated reflection (#685)
• 3381035 .github/workflows: add nightly conformance tests
• 13488f7 Export GetError and SetError methods (#753)
• b4f957f mcp: add DisableListening option to StreamableClientTransport (#729)
• a225d4d delete the old logger in client (#744)
• 61be548 feat: deprecated logger in client & add Logger in ClientOption (#738)
• e66c23f mcp: fix connectStandaloneSSE checking Content-Type header (#736)
• Additional commits viewable in compare view

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