bugfix: added missing field approve_comment

- comment field in simple_connect approvement was broken

smardigo/provisioning/process-variable-declaration/simple-connect.json

@@ -7,6 +7,10 @@
       "type" : "string",
       "classification" : "PRIVATE"
     },
+    "approve_comment" : {
+      "type" : "string",
+      "classification" : "PRIVATE"
+    },
     "awxPath" : {
       "type" : "string",
       "classification" : "PRIVATE"