update (#20406)

Author: Juliehzl

specification/app/resource-manager/Microsoft.App/preview/2022-01-01-preview/ContainerApps.json

@@ -482,7 +482,8 @@
                 "InProgress",
                 "Succeeded",
                 "Failed",
-                "Canceled"
+                "Canceled",
+                "Deleting"
               ],
               "type": "string",
               "readOnly": true,

specification/app/resource-manager/Microsoft.App/stable/2022-03-01/ContainerApps.json

@@ -480,7 +480,8 @@
                 "InProgress",
                 "Succeeded",
                 "Failed",
-                "Canceled"
+                "Canceled",
+                "Deleting"
               ],
               "type": "string",
               "readOnly": true,