build: bump the documentation group across 1 directory with 3 updates (#4315)

* build: bump the documentation group across 1 directory with 3 updates

Bumps the documentation group with 3 updates in the / directory: [imageio](https://github.com/imageio/imageio), [plotly](https://github.com/plotly/plotly.py) and [pypandoc](https://github.com/JessicaTegner/pypandoc).


Updates `imageio` from 2.37.0 to 2.37.2
- [Release notes](https://github.com/imageio/imageio/releases)
- [Changelog](https://github.com/imageio/imageio/blob/master/CHANGELOG.md)
- [Commits](imageio/imageio@v2.37.0...v2.37.2)

Updates `plotly` from 6.3.1 to 6.4.0
- [Release notes](https://github.com/plotly/plotly.py/releases)
- [Changelog](https://github.com/plotly/plotly.py/blob/main/CHANGELOG.md)
- [Commits](plotly/plotly.py@v6.3.1...v6.4.0)

Updates `pypandoc` from 1.15 to 1.16
- [Release notes](https://github.com/JessicaTegner/pypandoc/releases)
- [Changelog](https://github.com/JessicaTegner/pypandoc/blob/master/release.md)
- [Commits](JessicaTegner/pypandoc@v1.15...v1.16)

---
updated-dependencies:
- dependency-name: imageio
  dependency-version: 2.37.2
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: documentation
- dependency-name: plotly
  dependency-version: 6.4.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: documentation
- dependency-name: pypandoc
  dependency-version: '1.16'
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: documentation
...

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

* chore: adding changelog file 4315.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/4315.dependencies.md

@@ -0,0 +1 @@
+Bump the documentation group across 1 directory with 3 updates

pyproject.toml

@@ -90,7 +90,7 @@ doc = [
   "ansys-tools-visualization-interface==0.12.1",
   "grpcio==1.75.1",
   "imageio-ffmpeg==0.6.0",
-  "imageio==2.37.0",
+  "imageio==2.37.2",
   "jupyter==1.1.1",
   "jupyter_sphinx==0.5.3",
   "jupyterlab>=3.2.8",
@@ -99,9 +99,9 @@ doc = [
   "nbformat==5.10.4",
   "numpydoc==1.9.0",
   "pandas==2.3.3",
-  "plotly==6.3.1",
+  "plotly==6.4.0",
   "pyiges[full]==0.3.2",
-  "pypandoc==1.15",
+  "pypandoc==1.16.2",
   "pytest-sphinx==0.6.3",
   "pythreejs==2.4.2",
   "sphinx-autobuild==2024.10.3",