SMA-2563: process 'service-change' supplies variable 'data.connect.admin.username' to awx

smardigo/pmci/process/service-change.bpmn

@@ -426,9 +426,14 @@
       <bpmn2:extensionElements>
         <camunda:inputOutput>
           <camunda:outputParameter name="connect">
-            <camunda:map>
+            <camunda:script scriptFormat="groovy">def connect_admin = [:]
-              <camunda:entry key="version">${service.connect_version}</camunda:entry>
+connect_admin["username"] = service.cluster.key + "-connect-admin"
-            </camunda:map>
+
+def connect = [:]
+connect["admin"] = connect_admin
+connect["version"] = service.connect_version
+
+connect</camunda:script>
           </camunda:outputParameter>
         </camunda:inputOutput>
       </bpmn2:extensionElements>