Bump sphinx-autoapi from 3.5.0 to 3.6.0

Bumps [sphinx-autoapi](https://github.com/readthedocs/sphinx-autoapi) from 3.5.0 to 3.6.0.
- [Release notes](https://github.com/readthedocs/sphinx-autoapi/releases)
- [Changelog](https://github.com/readthedocs/sphinx-autoapi/blob/main/CHANGELOG.rst)
- [Commits](readthedocs/sphinx-autoapi@v3.5.0...v3.6.0)

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

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

docs/requirements.txt

@@ -1,6 +1,6 @@
 myst-parser==4.0.1
 sphinx==8.2.1
-sphinx-autoapi==3.5.0
+sphinx-autoapi==3.6.0
 sphinx-autodoc-typehints==3.0.1
 sphinx-rtd-theme==3.0.2
 sphinxcontrib-fulltoc==1.2.0