build(deps): bump the docs group in /docs with 2 updates

Bumps the docs group in /docs with 2 updates: [mkdocs-material](https://github.com/squidfunk/mkdocs-material) and [mkdocs-git-authors-plugin](https://github.com/timvink/mkdocs-git-authors-plugin).


Updates `mkdocs-material` from 9.5.43 to 9.5.47
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.5.43...9.5.47)

Updates `mkdocs-git-authors-plugin` from 0.9.1 to 0.9.2
- [Release notes](https://github.com/timvink/mkdocs-git-authors-plugin/releases)
- [Commits](timvink/mkdocs-git-authors-plugin@v0.9.1...v0.9.2)

---
updated-dependencies:
- dependency-name: mkdocs-material
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: docs
- dependency-name: mkdocs-git-authors-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: docs
...

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