build: bump the documentation group with 2 updates (#3495)

* build: bump the documentation group with 2 updates

Bumps the documentation group with 2 updates: [imageio](https://github.com/imageio/imageio) and [sphinx](https://github.com/sphinx-doc/sphinx).


Updates `imageio` from 2.35.1 to 2.36.0
- [Release notes](https://github.com/imageio/imageio/releases)
- [Changelog](https://github.com/imageio/imageio/blob/master/CHANGELOG.md)
- [Commits](imageio/imageio@v2.35.1...v2.36.0)

Updates `sphinx` from 8.1.0 to 8.1.3
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/v8.1.3/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v8.1.0...v8.1.3)

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

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

* chore: adding changelog file 3495.dependencies.md [dependabot-skip]

---------

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

Author: dependabot[bot]

doc/changelog.d/3495.dependencies.md

@@ -0,0 +1 @@
+build: bump the documentation group with 2 updates

pyproject.toml

@@ -80,7 +80,7 @@ doc = [
     "ansys-sphinx-theme==1.1.2",
     "grpcio==1.66.2",
     "imageio-ffmpeg==0.5.1",
-    "imageio==2.35.1",
+    "imageio==2.36.0",
     "jupyter==1.1.1",
     "jupyter_sphinx==0.5.3",
     "jupyterlab>=3.2.8",
@@ -100,7 +100,7 @@ doc = [
     "sphinx-gallery==0.18.0",
     "sphinx-jinja==2.0.2",
     "sphinx-notfound-page==1.0.4",
-    "sphinx==8.1.0",
+    "sphinx==8.1.3",
     "sphinxcontrib-websupport==2.0.0",
     "sphinxemoji==0.3.1",
     "vtk==9.3.1",