Bump the docs group in /docs with 2 updates

Bumps the docs group in /docs with 2 updates: [mike](https://github.com/jimporter/mike) and [mkdocs-material](https://github.com/squidfunk/mkdocs-material).


Updates `mike` from 1.1.2 to 2.0.0
- [Release notes](https://github.com/jimporter/mike/releases)
- [Changelog](https://github.com/jimporter/mike/blob/master/CHANGES.md)
- [Commits](jimporter/mike@v1.1.2...v2.0.0)

Updates `mkdocs-material` from 9.4.6 to 9.5.16
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.4.6...9.5.16)

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

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

docs/requirements.txt

@@ -1,4 +1,4 @@
 markdown-include==0.8.1
-mike==1.1.2
+mike==2.0.0
 mkdocs-exclude==1.0.2
-mkdocs-material==9.4.6
+mkdocs-material==9.5.16