Build: Bump mkdocs-material from 9.4.10 to 9.4.13

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 9.4.10 to 9.4.13.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.4.10...9.4.13)

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

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

site/requirements.txt

@@ -17,7 +17,7 @@
 
 mkdocs-awesome-pages-plugin==2.9.2
 mkdocs-macros-plugin==1.0.5
-mkdocs-material==9.4.10
+mkdocs-material==9.4.13
 mkdocs-material-extensions==1.3
 mkdocs-monorepo-plugin==1.0.5
 mkdocs-redirects==1.2.1