build(deps): bump the all group with 2 updates (#500)

Bumps the all group with 2 updates: [System.Text.Json](https://github.com/dotnet/runtime) and [tryAGI.OpenAI](https://github.com/tryAGI/OpenAI).


Updates `System.Text.Json` from 9.0.1 to 9.0.1
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v9.0.1...v9.0.1)

Updates `tryAGI.OpenAI` from 3.9.2 to 4.0.0
- [Release notes](https://github.com/tryAGI/OpenAI/releases)
- [Commits](tryAGI/OpenAI@v3.9.2...v4.0.0)

---
updated-dependencies:
- dependency-name: System.Text.Json
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all
- dependency-name: tryAGI.OpenAI
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/Directory.Packages.props

@@ -36,7 +36,7 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageVersion Include="Moq" Version="4.20.72" />
     <PackageVersion Include="Testcontainers" Version="4.1.0" />
-    <PackageVersion Include="tryAGI.OpenAI" Version="3.9.2" />
+    <PackageVersion Include="tryAGI.OpenAI" Version="4.0.0" />
     <PackageVersion Include="MSTest.TestAdapter" Version="3.5.1" />
     <PackageVersion Include="MSTest.TestFramework" Version="3.5.1" />
     <PackageVersion Include="Npgsql" Version="9.0.2" />