Bump sphinx-autoapi from 3.2.1 to 3.3.1

Bumps [sphinx-autoapi](https://github.com/readthedocs/sphinx-autoapi) from 3.2.1 to 3.3.1.
- [Release notes](https://github.com/readthedocs/sphinx-autoapi/releases)
- [Changelog](https://github.com/readthedocs/sphinx-autoapi/blob/main/CHANGELOG.rst)
- [Commits](readthedocs/sphinx-autoapi@v3.2.1...v3.3.1)

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

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