build: bump the core group with 2 updates (#4263)

* build: bump the core group with 2 updates

Bumps the core group with 2 updates: [matplotlib](https://github.com/matplotlib/matplotlib) and [ansys-sphinx-theme](https://github.com/ansys/ansys-sphinx-theme).


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)

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)

---
updated-dependencies:
- dependency-name: matplotlib
  dependency-version: 3.10.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: core
- dependency-name: ansys-sphinx-theme
  dependency-version: 1.6.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: core
...

Signed-off-by: dependabot[bot] <support@github.com>

* chore: adding changelog file 4263.dependencies.md [dependabot-skip]

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: pyansys-ci-bot <92810346+pyansys-ci-bot@users.noreply.github.com>

Author: dependabot[bot]

doc/changelog.d/4263.dependencies.md

@@ -0,0 +1 @@
+Bump the core group with 2 updates

pyproject.toml

@@ -66,7 +66,7 @@ tests = [
   "ansys-dpf-core[graphics]==0.13.6",
   "ansys-tools-visualization-interface==0.12.1",
   "autopep8==2.3.2",
-  "matplotlib==3.10.6",
+  "matplotlib==3.10.7",
   "pandas==2.3.3",
   "pyansys-tools-report==0.8.3",
   "pyfakefs==5.9.3",
@@ -86,7 +86,7 @@ tests = [
 doc = [
   "ansys-dpf-core[graphics]==0.13.6",
   "ansys-mapdl-reader==0.55.1",
-  "ansys-sphinx-theme==1.6.1",
+  "ansys-sphinx-theme==1.6.3",
   "ansys-tools-visualization-interface==0.12.1",
   "grpcio==1.75.1",
   "imageio-ffmpeg==0.6.0",
@@ -95,7 +95,7 @@ doc = [
   "jupyter_sphinx==0.5.3",
   "jupyterlab>=3.2.8",
   "linuxdoc==20240924",
-  "matplotlib==3.10.6",
+  "matplotlib==3.10.7",
   "nbformat==5.10.4",
   "numpydoc==1.9.0",
   "pandas==2.3.3",