build: bump ansys-sphinx-theme from 1.6.0 to 1.6.1 in the core group (#4227)

* build: bump ansys-sphinx-theme from 1.6.0 to 1.6.1 in the core group

Bumps the core group with 1 update: [ansys-sphinx-theme](https://github.com/ansys/ansys-sphinx-theme).


Updates `ansys-sphinx-theme` from 1.6.0 to 1.6.1
- [Release notes](https://github.com/ansys/ansys-sphinx-theme/releases)
- [Commits](ansys/ansys-sphinx-theme@v1.6.0...v1.6.1)

---
updated-dependencies:
- dependency-name: ansys-sphinx-theme
  dependency-version: 1.6.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: core
...

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

* chore: adding changelog file 4227.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/4227.dependencies.md

@@ -0,0 +1 @@
+Bump ansys-sphinx-theme from 1.6.0 to 1.6.1 in the core group

pyproject.toml

@@ -86,7 +86,7 @@ tests = [
 doc = [
   "ansys-dpf-core[graphics]==0.13.6",
   "ansys-mapdl-reader==0.55.1",
-  "ansys-sphinx-theme==1.6.0",
+  "ansys-sphinx-theme==1.6.1",
   "ansys-tools-visualization-interface==0.11.0",
   "grpcio==1.74.0",
   "imageio-ffmpeg==0.6.0",