Update mkdocs-material requirement from ~=9.4 to ~=9.5

Updates the requirements on [mkdocs-material](https://github.com/squidfunk/mkdocs-material) to permit the latest version.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.4.0...9.5.1)

---
updated-dependencies:
- dependency-name: mkdocs-material
  dependency-type: direct:production
...

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

requirements_docs.txt

@@ -2,6 +2,6 @@ invoke~=2.2
 mike~=2.0
 mkdocs~=1.5
 mkdocs-awesome-pages-plugin~=2.9
-mkdocs-material~=9.4
+mkdocs-material~=9.5
 mkdocs-minify-plugin~=0.7.1
 mkdocstrings[python]~=0.24.0