Bump sphinx from 7.0.1 to 7.3.7

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 7.0.1 to 7.3.7.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v7.0.1...v7.3.7)

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

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

pyproject.toml

@@ -31,7 +31,7 @@ dev = [
   "pytest==8.1.1",
   "mock==5.1.0",
   "sphinx-pyproject==0.3.0",
-  "sphinx==7.0.1",
+  "sphinx==7.3.7",
   "Pallets-Sphinx-Themes==2.1.2",
   "tox==4.15.0"
 ]