Bump mkdocs-material from 7.0.5 to 7.0.6

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 7.0.5 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@7.0.5...7.0.6)

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

requirements.txt

@@ -1,2 +1,2 @@
 mkdocs==1.1.2
-mkdocs-material==7.0.5
+mkdocs-material==7.0.6