Bump sphinx-autodoc-typehints from 2.4.4 to 2.5.0 (#720)

* Bump sphinx-autodoc-typehints from 2.4.4 to 2.5.0

Bumps [sphinx-autodoc-typehints](https://github.com/tox-dev/sphinx-autodoc-typehints) from 2.4.4 to 2.5.0.
- [Release notes](https://github.com/tox-dev/sphinx-autodoc-typehints/releases)
- [Changelog](https://github.com/tox-dev/sphinx-autodoc-typehints/blob/main/CHANGELOG.md)
- [Commits](tox-dev/sphinx-autodoc-typehints@2.4.4...2.5.0)

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

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

* Update requirements_docs.txt

---------

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

Author: dependabot[bot]

requirements/requirements_docs.txt

@@ -2,15 +2,13 @@ pypandoc==1.14
 imageio==2.35.1
 numpydoc==1.8.0
 imageio-ffmpeg==0.5.1
-Sphinx<7.2.0; python_version == '3.8'
-Sphinx==8.0.2; python_version >= '3.9'
+Sphinx==8.0.2
 sphinxcontrib-napoleon==0.7
 sphinxcontrib-websupport==2.0.0
 pytest-sphinx==0.6.3
 sphinx-notfound-page==1.0.4
 sphinx-copybutton==0.5.0
 sphinx-gallery==0.18.0
 ansys_sphinx_theme==1.1.1
-sphinx-autodoc-typehints==2.4.4; python_version == '3.8'
-sphinx-autodoc-typehints==2.4.4; python_version >= '3.9'
+sphinx-autodoc-typehints==2.5.0
 pyvista==0.44.1