Bump rich from 13.7.1 to 13.8.1 in /ci/latest

Bumps [rich](https://github.com/Textualize/rich) from 13.7.1 to 13.8.1.
- [Release notes](https://github.com/Textualize/rich/releases)
- [Changelog](https://github.com/Textualize/rich/blob/master/CHANGELOG.md)
- [Commits](Textualize/rich@v13.7.1...v13.8.1)

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

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

ci/latest/requirements.txt

@@ -7,7 +7,7 @@ dynaconf==3.2.6
 starlette==0.38.5
 strawberry-graphql==0.239.2
 websockets==13.1
-rich==13.7.1
+rich==13.8.1
 async-asgi-testclient==1.4.11
 pytest-asyncio==0.24.0
 pytest-cov==5.0.0