fix(pyproject): use autoapi from ansys-sphinx-theme

Author: jorgepiloto

pyproject.toml

@@ -62,7 +62,7 @@ tests = [
 ]
 
 doc = [
-  "ansys-sphinx-theme==1.5.2",
+  "ansys-sphinx-theme[autoapi]==1.6.3",
   "grpcio==1.71.2",
   "grpcio-health-checking==1.71.2",
   "sphinx-autoapi==3.6",