Bump starlette from 0.49.1 to 0.49.3

Bumps [starlette](https://github.com/Kludex/starlette) from 0.49.1 to 0.49.3.
- [Release notes](https://github.com/Kludex/starlette/releases)
- [Changelog](https://github.com/Kludex/starlette/blob/main/docs/release-notes.md)
- [Commits](Kludex/starlette@0.49.1...0.49.3)

---
updated-dependencies:
- dependency-name: starlette
  dependency-version: 0.49.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]