Bump sphinx from 7.1.2 to 7.2.2

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 7.1.2 to 7.2.2.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES)
- [Commits](sphinx-doc/sphinx@v7.1.2...v7.2.2)

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

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

setup.cfg

@@ -56,7 +56,7 @@ dev =
 docs =
     furo == 2023.7.26
     pyenchant == 3.2.2
-    sphinx == 7.1.2
+    sphinx == 7.2.2
     sphinx_tabs == 3.4.1
     sphinx-autobuild == 2021.3.14
     sphinx-copybutton == 0.5.2