Bump rich from 13.9.3 to 13.9.4

Bumps [rich](https://github.com/Textualize/rich) from 13.9.3 to 13.9.4.
- [Release notes](https://github.com/Textualize/rich/releases)
- [Changelog](https://github.com/Textualize/rich/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Textualize/rich/commits)

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

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

requirements.txt

@@ -13,7 +13,7 @@ pelican==4.10.1
 Pygments==2.18.0
 python-dateutil==2.9.0.post0
 pytz==2024.2
-rich==13.9.3
+rich==13.9.4
 six==1.16.0
 sniffio==1.3.1
 Unidecode==1.3.8