Bump rich from 13.7.1 to 13.9.4

Bumps [rich](https://github.com/Textualize/rich) from 13.7.1 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/compare/v13.7.1...v13.9.4)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -3,7 +3,7 @@ appdirs==1.4.4
 argparse==1.4.0
 async-cache==1.1.1
 pyytlounge==2.0.0
-rich==13.7.1
+rich==13.9.4
 ssdp==1.3.0
 textual==0.58.0
 textual-slider==0.1.2