Bump the dependencies group with 4 updates

Bumps the dependencies group with 4 updates: [mkdocs](https://github.com/mkdocs/mkdocs), [mkdocs-codeinclude-plugin](https://github.com/rnorth/mkdocs-codeinclude-plugin), [mkdocs-markdownextradata-plugin](https://github.com/rosscdh/mkdocs-markdownextradata-plugin) and [mkdocs-material](https://github.com/squidfunk/mkdocs-material).


Updates `mkdocs` from 1.4.2 to 1.6.1
- [Release notes](https://github.com/mkdocs/mkdocs/releases)
- [Commits](mkdocs/mkdocs@1.4.2...1.6.1)

Updates `mkdocs-codeinclude-plugin` from 0.2.0 to 0.2.1
- [Release notes](https://github.com/rnorth/mkdocs-codeinclude-plugin/releases)
- [Commits](rnorth/mkdocs-codeinclude-plugin@0.2.0...0.2.1)

Updates `mkdocs-markdownextradata-plugin` from 0.2.5 to 0.2.6
- [Release notes](https://github.com/rosscdh/mkdocs-markdownextradata-plugin/releases)
- [Commits](rosscdh/mkdocs-markdownextradata-plugin@0.2.5...0.2.6)

Updates `mkdocs-material` from 8.5.11 to 9.6.15
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Upgrade guide](https://github.com/squidfunk/mkdocs-material/blob/master/docs/upgrade.md)
- [Commits](squidfunk/mkdocs-material@8.5.11...9.6.15)

---
updated-dependencies:
- dependency-name: mkdocs
  dependency-version: 1.6.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
- dependency-name: mkdocs-codeinclude-plugin
  dependency-version: 0.2.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: mkdocs-markdownextradata-plugin
  dependency-version: 0.2.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: mkdocs-material
  dependency-version: 9.6.15
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,4 +1,4 @@
-mkdocs==1.4.2
-mkdocs-codeinclude-plugin==0.2.0
-mkdocs-markdownextradata-plugin==0.2.5
-mkdocs-material==8.5.11
+mkdocs==1.6.1
+mkdocs-codeinclude-plugin==0.2.1
+mkdocs-markdownextradata-plugin==0.2.6
+mkdocs-material==9.6.15