Bump sphinx-autodoc-typehints from 3.2.0 to 3.5.1

Bumps [sphinx-autodoc-typehints](https://github.com/tox-dev/sphinx-autodoc-typehints) from 3.2.0 to 3.5.1.
- [Release notes](https://github.com/tox-dev/sphinx-autodoc-typehints/releases)
- [Commits](tox-dev/sphinx-autodoc-typehints@3.2.0...3.5.1)

---
updated-dependencies:
- dependency-name: sphinx-autodoc-typehints
  dependency-version: 3.5.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

docs/requirements.txt

@@ -1,6 +1,6 @@
 furo==2025.7.19
 Sphinx==8.2.3
 myst-parser==4.0.1
-sphinx-autodoc-typehints==3.2.0
+sphinx-autodoc-typehints==3.5.1
 sphinx-autobuild==2025.8.25
 sphinx_rtd_theme==3.0.2