build(deps): bump sphinx from 4.5.0 to 5.0.1 (#437)

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>

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

Author: dependabot[bot]

requirements-doc.txt

@@ -1,3 +1,3 @@
 -r requirements-dev.txt
-sphinx==4.5.0
+sphinx==5.0.1
 sphinx_rtd_theme==1.0.0