Bump sphinx-autodoc-typehints from 3.5.2 to 3.6.1

Bumps [sphinx-autodoc-typehints](https://github.com/tox-dev/sphinx-autodoc-typehints) from 3.5.2 to 3.6.1.
- [Release notes](https://github.com/tox-dev/sphinx-autodoc-typehints/releases)
- [Commits](tox-dev/sphinx-autodoc-typehints@3.5.2...3.6.1)

---
updated-dependencies:
- dependency-name: sphinx-autodoc-typehints
  dependency-version: 3.6.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@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==3.5.2
+sphinx-autodoc-typehints==3.6.1
 sphinxext-opengraph==0.13.0
 sphinx-design==0.6.1
 -e .