Update properties to align with service side (#18080)

* update

* update

Author: Juliehzl

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

@@ -732,6 +732,10 @@
     "CustomDomain": {
       "description": "Custom Domain of a Container App",
       "type": "object",
+      "required": [
+        "name",
+        "certificateId"
+      ],
       "properties": {
         "name": {
           "description": "Hostname.",

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

@@ -799,7 +799,8 @@
                 "Succeeded",
                 "Failed",
                 "Canceled",
-                "DeleteFailed"
+                "DeleteFailed",
+                "Pending"
               ],
               "type": "string",
               "readOnly": true,