Bump sphinx-autobuild from 2024.2.4 to 2024.4.16

Bumps [sphinx-autobuild](https://github.com/sphinx-doc/sphinx-autobuild) from 2024.2.4 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@2024.02.04...2024.04.16)

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

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

setup.py

@@ -83,7 +83,7 @@
             "mypy==v1.9.0 ; python_version>='3.8'",
             # Docs.
             "Sphinx==7.2.5 ; python_version>='3.9'",
-            "sphinx-autobuild==2024.2.4 ; python_version>='3.9'",
+            "sphinx-autobuild==2024.4.16 ; python_version>='3.9'",
             "sphinx-rtd-theme==2.0.0 ; python_version>='3.9'",
         ]
     },