Bump sphinx-autobuild from 2021.3.14 to 2024.2.4

Bumps [sphinx-autobuild](https://github.com/sphinx-doc/sphinx-autobuild) from 2021.3.14 to 2024.2.4.
- [Release notes](https://github.com/sphinx-doc/sphinx-autobuild/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx-autobuild/blob/main/NEWS.rst)
- [Commits](sphinx-doc/sphinx-autobuild@2021.03.14...2024.02.04)

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

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

requirements/local.txt

@@ -17,7 +17,7 @@ pytest-django==4.5.2  # https://github.com/pytest-dev/pytest-django
 # Documentation
 # ------------------------------------------------------------------------------
 sphinx==7.2.6  # https://github.com/sphinx-doc/sphinx
-sphinx-autobuild==2021.3.14 # https://github.com/GaretJax/sphinx-autobuild
+sphinx-autobuild==2024.2.4 # https://github.com/GaretJax/sphinx-autobuild
 
 # Code quality
 # ------------------------------------------------------------------------------