Bump rich from 13.8.1 to 13.9.4

Bumps [rich](https://github.com/Textualize/rich) from 13.8.1 to 13.9.4.
- [Release notes](https://github.com/Textualize/rich/releases)
- [Changelog](https://github.com/Textualize/rich/blob/master/CHANGELOG.md)
- [Commits](Textualize/rich@v13.8.1...v13.9.4)

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

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