Bump mkdocs-material from 9.2.6 to 9.4.2 (#2872)

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 9.2.6 to 9.4.2.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.2.6...9.4.2)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tom Christie <tom@tomchristie.com>

Author: dependabot[bot]

requirements.txt

@@ -12,7 +12,7 @@ types-chardet==5.0.4.5
 # Documentation
 mkdocs==1.5.3
 mkautodoc==0.2.0
-mkdocs-material==9.2.6
+mkdocs-material==9.4.2
 
 # Packaging
 build==0.10.0