Bump sphinx from 5.3.0 to 6.0.0

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 5.3.0 to 6.0.0.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES)
- [Commits](sphinx-doc/sphinx@v5.3.0...v6.0.0)

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

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

pyproject.toml

@@ -76,7 +76,7 @@ pytest-cov = {version = "^4.0.0", optional = true}
 mock = {version = "^4.0.3", optional = true}
 
 # Documentation
-sphinx = {version = "^5.2.3", optional = true}
+sphinx = {version = "^6.0.0", optional = true}
 sphinxcontrib-httpdomain = {version = "^1.8.1", optional = true}
 markupsafe = {version = "==2.1.1", optional = true}
 # https://github.com/sphinx-contrib/httpdomain/issues/60