chore(deps): bump uvicorn[standard] in /reference-apps/fastapi

Bumps [uvicorn[standard]](https://github.com/Kludex/uvicorn) from 0.41.0 to 0.42.0.
- [Release notes](https://github.com/Kludex/uvicorn/releases)
- [Changelog](https://github.com/Kludex/uvicorn/blob/main/docs/release-notes.md)
- [Commits](Kludex/uvicorn@0.41.0...0.42.0)

---
updated-dependencies:
- dependency-name: uvicorn[standard]
  dependency-version: 0.42.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

reference-apps/fastapi/requirements.txt

@@ -1,5 +1,5 @@
 fastapi==0.135.1
-uvicorn[standard]==0.41.0
+uvicorn[standard]==0.42.0
 pydantic-settings==2.13.1
 slowapi==0.1.9  # Rate limiting
 pybreaker==1.4.1  # Circuit breaker