Bump the pip-dependencies group with 2 updates

Bumps the pip-dependencies group with 2 updates: [mkdocs](https://github.com/mkdocs/mkdocs) and [mkdocs-material](https://github.com/squidfunk/mkdocs-material).


Updates `mkdocs` from 1.5.2 to 1.5.3
- [Release notes](https://github.com/mkdocs/mkdocs/releases)
- [Commits](https://github.com/mkdocs/mkdocs/compare/1.5.2...1.5.3)

Updates `mkdocs-material` from 9.3.1 to 9.4.1
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](https://github.com/squidfunk/mkdocs-material/compare/9.3.1...9.4.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -1,5 +1,5 @@
-mkdocs==1.5.2
+mkdocs==1.5.3
 mkdocs-git-revision-date-localized-plugin==1.2.0
-mkdocs-material==9.3.1
+mkdocs-material==9.4.1
 mkdocs-redirects==1.2.1
 markdown-include==0.8.1