Bump mkdocs-click from 0.8.1 to 0.9.0

Bumps [mkdocs-click](https://github.com/mkdocs/mkdocs-click) from 0.8.1 to 0.9.0.
- [Release notes](https://github.com/mkdocs/mkdocs-click/releases)
- [Changelog](https://github.com/mkdocs/mkdocs-click/blob/master/CHANGELOG.md)
- [Commits](mkdocs/mkdocs-click@0.8.1...0.9.0)

---
updated-dependencies:
- dependency-name: mkdocs-click
  dependency-version: 0.9.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]