Bump rich from 12.5.1 to 12.6.0

Bumps [rich](https://github.com/willmcgugan/rich) from 12.5.1 to 12.6.0.
- [Release notes](https://github.com/willmcgugan/rich/releases)
- [Changelog](https://github.com/Textualize/rich/blob/master/CHANGELOG.md)
- [Commits](Textualize/rich@v12.5.1...v12.6.0)

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

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Author: dependabot[bot]