Bump mkdocs-material from 9.1.17 to 9.2.6

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 9.1.17 to 9.2.6.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.1.17...9.2.6)

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

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

requirements.txt

@@ -12,7 +12,7 @@ types-chardet==5.0.4.5
 # Documentation
 mkdocs==1.5.2
 mkautodoc==0.2.0
-mkdocs-material==9.1.17
+mkdocs-material==9.2.6
 
 # Packaging
 build==0.10.0