Build(deps): Bump ansys-sphinx-theme from 1.5.3 to 1.6.0 (#509)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -47,7 +47,7 @@ tests = [
 ]
 doc = [
     "Sphinx==8.1.3",
-    "ansys-sphinx-theme==1.5.3",
+    "ansys-sphinx-theme==1.6.0",
     "sphinx-copybutton==0.5.2",
     "sphinx_design==0.6.1",
     "sphinx_toolbox==4.0.0",