Bump sphinx from 6.2.0 to 6.2.1 (#863)

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 6.2.0 to 6.2.1.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES)
- [Commits](sphinx-doc/sphinx@v6.2.0...v6.2.1)

---
updated-dependencies:
- dependency-name: sphinx
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

requirements-dev.txt

@@ -8,6 +8,6 @@ flake8-requirements==1.7.7
 mypy==1.2.0
 pep257==0.7.0
 pre-commit==3.2.2
-sphinx==6.2.0
+sphinx==6.2.1
 types-redis==4.5.4.1
 typing-extensions==4.5.0