chore(deps): bump mkdocs-material from 8.4.2 to 9.0.11 in /docs/_build

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 8.4.2 to 9.0.11.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Upgrade guide](https://github.com/squidfunk/mkdocs-material/blob/master/docs/upgrade.md)
- [Commits](https://github.com/squidfunk/mkdocs-material/compare/8.4.2...9.0.11)

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

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

docs/_build/requirements.txt

@@ -8,7 +8,7 @@ MarkupSafe==2.1.1
 mergedeep==1.3.4
 mkdocs==1.3.1
 mkdocs-exclude==1.0.2
-mkdocs-material==8.4.2
+mkdocs-material==9.0.11
 mkdocs-material-extensions==1.0.3
 packaging==21.3
 Pygments==2.13.0