Bump sphinx from 4.5.0 to 5.0.0 (#210)

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 4.5.0 to 5.0.0.
- [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...v5.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

poetry.lock

@@ -33,7 +33,7 @@ certifi = "^2022.5.18"
 black = "^22.3.0"
 mypy = "^0.950"
 types-urllib3 = "^1.26.13"
-Sphinx = "^4.5.0"
+Sphinx = "^5.0.0"
 sphinx-rtd-theme = "^1.0.0"
 # keep this in sync with docs/requirements.txt for readthedocs.org
 sphinx-autodoc-typehints = "^1.18.1"