Update sphinx-click requirement from ~=4.4.0 to ~=6.0.0

Updates the requirements on [sphinx-click](https://github.com/click-contrib/sphinx-click) to permit the latest version.
- [Release notes](https://github.com/click-contrib/sphinx-click/releases)
- [Commits](click-contrib/sphinx-click@4.4.0...6.0.0)

---
updated-dependencies:
- dependency-name: sphinx-click
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -96,7 +96,7 @@ docs = [
     'mkdocs-material~=9.5.36',
     'mkdocs~=1.6.1',
     'myst-parser~=4.0.0',
-    'sphinx-click~=4.4.0',
+    'sphinx-click~=6.0.0',
     'sphinx-markdown-builder~=0.6.7',
     'sphinx~=6.1.3',
 ]