Bump ansys-sphinx-theme[autoapi] in the doc-dependencies group

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


Updates `ansys-sphinx-theme[autoapi]` from 1.1.7 to 1.2.0
- [Release notes](https://github.com/ansys/ansys-sphinx-theme/releases)
- [Commits](ansys/ansys-sphinx-theme@v1.1.7...v1.2.0)

---
updated-dependencies:
- dependency-name: ansys-sphinx-theme[autoapi]
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: doc-dependencies
...

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

pyproject.toml

@@ -41,7 +41,7 @@ tests = [
 ]
 doc = [
   "ansys-tools-visualization-interface==0.5.0",
-  "ansys-sphinx-theme[autoapi]==1.1.7",
+  "ansys-sphinx-theme[autoapi]==1.2.0",
   "jupyter-sphinx==0.5.3",
   "numpydoc==1.8.0",
   "sphinx==8.1.3",