Bump sphinx-click from 4.4.0 to 6.0.0 in /docs

Bumps [sphinx-click](https://github.com/click-contrib/sphinx-click) from 4.4.0 to 6.0.0.
- [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
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

docs/requirements.txt

@@ -1,4 +1,4 @@
 furo==2022.12.7
 sphinx==8.0.2
-sphinx-click==4.4.0
+sphinx-click==6.0.0
 myst_parser==0.18.1