Build(deps): bump the pip-deps group in /requirements with 3 updates (#283)

Bumps the pip-deps group in /requirements with 3 updates: [ansys-sphinx-theme](https://github.com/ansys/ansys-sphinx-theme), [sphinx-autodoc-typehints](https://github.com/tox-dev/sphinx-autodoc-typehints) and [matplotlib](https://github.com/matplotlib/matplotlib).


Updates `ansys-sphinx-theme` from 1.6.1 to 1.6.3
- [Release notes](https://github.com/ansys/ansys-sphinx-theme/releases)
- [Commits](ansys/ansys-sphinx-theme@v1.6.1...v1.6.3)

Updates `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)

Updates `matplotlib` from 3.10.6 to 3.10.7
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.10.6...v3.10.7)

---
updated-dependencies:
- dependency-name: ansys-sphinx-theme
  dependency-version: 1.6.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: pip-deps
- dependency-name: sphinx-autodoc-typehints
  dependency-version: 3.5.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: pip-deps
- dependency-name: matplotlib
  dependency-version: 3.10.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: pip-deps
...

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

Author: dependabot[bot]

requirements/requirements_docs.txt

@@ -1,17 +1,17 @@
 Sphinx==8.2.3
 jupyter_sphinx==0.5.3
 numpydoc==1.9.0
-ansys_sphinx_theme==1.6.1
+ansys_sphinx_theme==1.6.3
 pypandoc==1.15
 pytest-sphinx==0.6.3
 sphinx-autobuild==2025.8.25
-sphinx-autodoc-typehints==3.2.0
+sphinx-autodoc-typehints==3.5.1
 sphinx-copybutton==0.5.2
 sphinx-gallery==0.19.0
 sphinx-notfound-page==1.1.0
 sphinxcontrib-websupport==2.0.0
 sphinxemoji==0.3.1
 pandas==2.3.3
 pandoc>=2.1
-matplotlib==3.10.6
+matplotlib==3.10.7
 breathe>=4.33.1