Bump mkdocstrings from 0.28.0 to 0.28.1

Bumps [mkdocstrings](https://github.com/mkdocstrings/mkdocstrings) from 0.28.0 to 0.28.1.
- [Release notes](https://github.com/mkdocstrings/mkdocstrings/releases)
- [Changelog](https://github.com/mkdocstrings/mkdocstrings/blob/main/CHANGELOG.md)
- [Commits](mkdocstrings/mkdocstrings@0.28.0...0.28.1)

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

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