Bump uvicorn from 0.13.4 to 0.23.2

Bumps [uvicorn](https://github.com/encode/uvicorn) from 0.13.4 to 0.23.2.
- [Release notes](https://github.com/encode/uvicorn/releases)
- [Changelog](https://github.com/encode/uvicorn/blob/master/CHANGELOG.md)
- [Commits](encode/uvicorn@0.13.4...0.23.2)

---
updated-dependencies:
- dependency-name: uvicorn
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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