Bump sphinx from 7.4.7 to 8.0.2

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 7.4.7 to 8.0.2.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/v8.0.2/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v7.4.7...v8.0.2)

---
updated-dependencies:
- dependency-name: sphinx
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements/readthedocs.txt

@@ -1,6 +1,6 @@
 -r base.txt
 
-Sphinx==7.4.7
+Sphinx==8.0.2
 sphinx-removed-in
 docutils