Bump sphinx-autobuild from 2021.3.14 to 2024.4.16

Bumps [sphinx-autobuild](https://github.com/sphinx-doc/sphinx-autobuild) from 2021.3.14 to 2024.4.16.
- [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...2024.04.16)

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

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

Author: dependabot[bot]

requirements/local.txt

@@ -17,7 +17,7 @@ types-xmltodict
 # Documentation
 # ------------------------------------------------------------------------------
 sphinx  # https://github.com/sphinx-doc/sphinx
-sphinx-autobuild==2021.3.14 # https://github.com/GaretJax/sphinx-autobuild
+sphinx-autobuild==2024.4.16 # https://github.com/GaretJax/sphinx-autobuild
 sphinx-rtd-theme==1.2.0
 sphinx_toolbox==3.8.0