Bump sphinx from 8.0.2 to 8.1.0

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 8.0.2 to 8.1.0.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v8.0.2...v8.1.0)

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

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

requirements_dev.txt

@@ -1,6 +1,6 @@
 wheel==0.44.0
 flake8==7.1.1
 coverage==7.6.2
-Sphinx==8.0.2
+Sphinx==8.1.0
 furo==2024.8.6
 pytest==8.3.3