Build: Bump mkdocs-monorepo-plugin from 1.0.5 to 1.1.0 (#9430)

Bumps [mkdocs-monorepo-plugin](https://github.com/backstage/mkdocs-monorepo-plugin) from 1.0.5 to 1.1.0.
- [Changelog](https://github.com/backstage/mkdocs-monorepo-plugin/blob/master/docs/CHANGELOG.md)
- [Commits](https://github.com/backstage/mkdocs-monorepo-plugin/commits)

---
updated-dependencies:
- dependency-name: mkdocs-monorepo-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

site/requirements.txt

@@ -19,5 +19,5 @@ mkdocs-awesome-pages-plugin==2.9.2
 mkdocs-macros-plugin==1.0.5
 mkdocs-material==9.5.3
 mkdocs-material-extensions==1.3
-mkdocs-monorepo-plugin==1.0.5
+mkdocs-monorepo-plugin==1.1.0
 mkdocs-redirects==1.2.1