Bump sphinx-autodoc-typehints from 3.2.0 to 3.5.2 (#832)

Bumps [sphinx-autodoc-typehints](https://github.com/tox-dev/sphinx-autodoc-typehints) from 3.2.0 to 3.5.2.
- [Release notes](https://github.com/tox-dev/sphinx-autodoc-typehints/releases)
- [Commits](tox-dev/sphinx-autodoc-typehints@3.2.0...3.5.2)

---
updated-dependencies:
- dependency-name: sphinx-autodoc-typehints
  dependency-version: 3.5.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

docs/requirements.txt

@@ -3,7 +3,7 @@ pangeo-sphinx-book-theme==0.2
 myst-nb==1.3.0
 sphinx-copybutton==0.5.2
 sphinx-togglebutton==0.3.2
-sphinx-autodoc-typehints==3.2.0
+sphinx-autodoc-typehints==3.5.2
 sphinxext-opengraph==0.10.0
 sphinx-design==0.6.1
 -e .