Bump mkdocs-material from 5.5.3 to 7.0.6

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 5.5.3 to 7.0.6.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/docs/changelog.md)
- [Commits](squidfunk/mkdocs-material@5.5.3...7.0.6)

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

requirements-docs.txt

@@ -1,5 +1,5 @@
 mkdocs==1.1.2
-mkdocs-material==7.0.5
+mkdocs-material==7.0.6
 mkdocs-minify-plugin==0.4.0
 mkdocstrings==0.14.0
 pymdown-extensions==8.1.1