Dependabot Pip: Bump rich from 13.8.0 to 13.9.4

Bumps [rich](https://github.com/Textualize/rich) from 13.8.0 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@v13.8.0...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]>

requirements.txt

@@ -5,5 +5,5 @@ markdown-it-py==3.0.0
 mdurl==0.1.2
 Pygments==2.18.0
 requests==2.32.3
-rich==13.8.0
+rich==13.9.4
 urllib3==2.2.2