build: bump the documentation group across 1 directory with 3 updates (#3363)

Bumps the documentation group with 3 updates in the / directory: [ansys-sphinx-theme](https://github.com/ansys/ansys-sphinx-theme), [imageio](https://github.com/imageio/imageio) and [numpydoc](https://github.com/numpy/numpydoc).


Updates `ansys-sphinx-theme` from 1.0.4 to 1.0.5
- [Release notes](https://github.com/ansys/ansys-sphinx-theme/releases)
- [Commits](ansys/ansys-sphinx-theme@v1.0.4...v1.0.5)

Updates `imageio` from 2.34.2 to 2.35.1
- [Release notes](https://github.com/imageio/imageio/releases)
- [Changelog](https://github.com/imageio/imageio/blob/master/CHANGELOG.md)
- [Commits](imageio/imageio@v2.34.2...v2.35.1)

Updates `numpydoc` from 1.7.0 to 1.8.0
- [Release notes](https://github.com/numpy/numpydoc/releases)
- [Changelog](https://github.com/numpy/numpydoc/blob/main/RELEASE.rst)
- [Commits](numpy/numpydoc@v1.7.0...v1.8.0)

---
updated-dependencies:
- dependency-name: ansys-sphinx-theme
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: documentation
- dependency-name: imageio
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: documentation
- dependency-name: numpydoc
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: documentation
...

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

Author: dependabot[bot]

doc/changelog.d/3363.dependencies.md

@@ -0,0 +1 @@
+build: bump the documentation group across 1 directory with 3 updates

pyproject.toml

@@ -76,14 +76,14 @@ doc = [
     "ansys-dpf-core==0.10.1",
     "ansys-mapdl-reader==0.53.0",
     "ansys-tools-visualization-interface==0.4.0",
-    "ansys-sphinx-theme==1.0.4",
+    "ansys-sphinx-theme==1.0.5",
     "grpcio==1.65.4",
     "imageio-ffmpeg==0.5.1",
-    "imageio==2.34.2",
+    "imageio==2.35.1",
     "jupyter_sphinx==0.5.3",
     "jupyterlab>=3.2.8",
     "matplotlib==3.9.2",
-    "numpydoc==1.7.0",
+    "numpydoc==1.8.0",
     "pandas==2.2.2",
     "plotly==5.23.0",
     "pyiges[full]==0.3.1",