Bump sphinx-autoapi from 3.7.0 to 3.8.0

Bumps [sphinx-autoapi](https://github.com/readthedocs/sphinx-autoapi) from 3.7.0 to 3.8.0.
- [Release notes](https://github.com/readthedocs/sphinx-autoapi/releases)
- [Changelog](https://github.com/readthedocs/sphinx-autoapi/blob/main/CHANGELOG.rst)
- [Commits](readthedocs/sphinx-autoapi@v3.7.0...v3.8.0)

---
updated-dependencies:
- dependency-name: sphinx-autoapi
  dependency-version: 3.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

website/requirements-docs.txt

@@ -4,7 +4,7 @@ rst2pdf==0.104
 setuptools_scm==9.2.2
 sphinx==9.1.0
 sphinx-argparse==0.5.2
-sphinx-autoapi==3.7.0
+sphinx-autoapi==3.8.0
 sphinx_copybutton==0.5.2
 sphinx_togglebutton==0.4.4
 sphinxcontrib-bibtex==2.6.5