Update ibm_catalog.json (#920)

Author: ocofaigh

ibm_catalog.json

@@ -1456,7 +1456,8 @@
                             "catalogID": "1082e7d2-5e2f-0a11-a3bc-f88a8e1931fc",
                             "id": "2dd486c7-b317-4aaa-907b-42671485ad96-global",
                             "name": "deploy-arch-ibm-pvs-inf",
-                            "version": ">=5.0.0"
+                            "version": ">=5.0.0",
+                            "optional": true
                         }
                     ],
                     "configuration": [