chore(deps): update fastapi requirement (#248)

Updates the requirements on [fastapi](https://github.com/fastapi/fastapi) to permit the latest version.
- [Release notes](https://github.com/fastapi/fastapi/releases)
- [Commits](fastapi/fastapi@0.115.0...0.141.1)

---
updated-dependencies:
- dependency-name: fastapi
  dependency-version: 0.141.1
  dependency-type: direct:production
...

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Author: dependabot[bot]

pyproject.toml

@@ -26,7 +26,7 @@ dependencies = [
     # prebuilt wheels (esp. pydantic-core) for all supported Python/macOS/Linux
     # combinations. Without these caps, `brew upgrade` and fresh `pip install`
     # can drift onto source-only releases and trigger a 3–5 min cargo build.
-    "fastapi>=0.115.0,<0.137",
+    "fastapi>=0.115.0,<0.142",
     "uvicorn[standard]>=0.32.0,<0.49",
     "httpx>=0.27.0,<0.29",
     "pydantic>=2.9,<2.14",