Bump starlette from 0.39.2 to 0.42.0 in /api

Bumps [starlette](https://github.com/encode/starlette) from 0.39.2 to 0.42.0.
- [Release notes](https://github.com/encode/starlette/releases)
- [Changelog](https://github.com/encode/starlette/blob/master/docs/release-notes.md)
- [Commits](encode/starlette@0.39.2...0.42.0)

---
updated-dependencies:
- dependency-name: starlette
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

api/requirements.txt

@@ -27,7 +27,7 @@ python-minimizer==2.0.1
 python-multipart==0.0.20
 PyYAML==6.0.2
 sniffio==1.3.1
-starlette==0.39.2
+starlette==0.42.0
 typing_extensions==4.12.2
 ujson==5.10.0
 uvicorn==0.34.0