chore(deps): bump sphinx from 4.5.0 to 5.0.1

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 4.5.0 to 5.0.1.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/5.x/CHANGES)
- [Commits](sphinx-doc/sphinx@v4.5.0...v5.0.1)

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

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

docs/req.txt

@@ -1,5 +1,5 @@
 Jinja2==3.1.2
-Sphinx==4.5.0
+Sphinx==5.0.1
 sphinx-autoapi==1.8.4
 sphinxcontrib-applehelp==1.0.2
 sphinxcontrib-devhelp==1.0.2