deps: bump starlette in the pip group across 1 directory

Bumps the pip group with 1 update in the / directory: [starlette](https://github.com/Kludex/starlette).


Updates `starlette` from 0.48.0 to 0.49.1
- [Release notes](https://github.com/Kludex/starlette/releases)
- [Changelog](https://github.com/Kludex/starlette/blob/main/docs/release-notes.md)
- [Commits](Kludex/starlette@0.48.0...0.49.1)

---
updated-dependencies:
- dependency-name: starlette
  dependency-version: 0.49.1
  dependency-type: indirect
  dependency-group: pip
...

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

Author: dependabot[bot]