Update mkdocs-click requirement from >=0.8.1 to >=0.9.0

Updates the requirements on [mkdocs-click](https://github.com/mkdocs/mkdocs-click) to permit the latest version.
- [Release notes](https://github.com/mkdocs/mkdocs-click/releases)
- [Changelog](https://github.com/mkdocs/mkdocs-click/blob/master/CHANGELOG.md)
- [Commits](mkdocs/mkdocs-click@0.8.1...0.9.0)

---
updated-dependencies:
- dependency-name: mkdocs-click
  dependency-version: 0.9.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -139,7 +139,7 @@ docs = [
   "mkdocs>=1.6.1",
   "mkdocs-autolinks-plugin>=0.7.1",
   "mkdocs-awesome-pages-plugin>=2.9.3",
-  "mkdocs-click>=0.8.1",
+  "mkdocs-click>=0.9.0",
   "mkdocs-embed-external-markdown>=3.0.2",
   "mkdocs-ezglossary-plugin>=1.6.10",
   "mkdocs-ezlinks-plugin>=0.1.14",