Bump mkdocs-material from 8.5.10 to 8.5.11 in /CI (#1214)

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 8.5.10 to 8.5.11.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](https://github.com/squidfunk/mkdocs-material/compare/8.5.10...8.5.11)

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

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

CI/requirements-mkdocs-material.txt

@@ -1,2 +1,2 @@
-mkdocs-material==8.5.10
+mkdocs-material==8.5.11