build(deps-dev): bump sphinx-autodoc-typehints from 3.9.5 to 3.9.9

Bumps [sphinx-autodoc-typehints](https://github.com/tox-dev/sphinx-autodoc-typehints) from 3.9.5 to 3.9.9.
- [Release notes](https://github.com/tox-dev/sphinx-autodoc-typehints/releases)
- [Commits](tox-dev/sphinx-autodoc-typehints@3.9.5...3.9.9)

---
updated-dependencies:
- dependency-name: sphinx-autodoc-typehints
  dependency-version: 3.9.9
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]