fix json

Author: zhuolinglii

changelog/Microsoft.CloudManagedDesktop.json

@@ -6393,26 +6393,22 @@
       "SubArea": "Cloud PC"
     },
     {
-      "changelog": [
-        {
-          "ChangeList": [
-            {
-              "Id": "51186d13-0d6a-4a64-a631-e841ccb1f999",
-              "ApiChange": "Property",
-              "ChangedApiName": "activityId",
-              "ChangeType": "Addition",
-              "Description": "Added the **activityId** property to the [cloudPcConnectivityEvent](https://learn.microsoft.com/en-us/graph/api/resources/cloudpcconnectivityevent?view=graph-rest-beta) resource.",
-              "Target": "cloudPcConnectivityEvent"
-            }
-          ],
+      "ChangeList": [
+        {
           "Id": "51186d13-0d6a-4a64-a631-e841ccb1f999",
-          "Cloud": "Prod",
-          "Version": "beta",
-          "CreatedDateTime": "2025-02-06T06:47:17.939782Z",
-          "WorkloadArea": "Device and app management",
-          "SubArea": "Cloud PC"
+          "ApiChange": "Property",
+          "ChangedApiName": "activityId",
+          "ChangeType": "Addition",
+          "Description": "Added the **activityId** property to the [cloudPcConnectivityEvent](https://learn.microsoft.com/en-us/graph/api/resources/cloudpcconnectivityevent?view=graph-rest-beta) resource.",
+          "Target": "cloudPcConnectivityEvent"
         }
-      ]
+      ],
+      "Id": "51186d13-0d6a-4a64-a631-e841ccb1f999",
+      "Cloud": "Prod",
+      "Version": "beta",
+      "CreatedDateTime": "2025-02-06T06:47:17.939782Z",
+      "WorkloadArea": "Device and app management",
+      "SubArea": "Cloud PC"
     }
   ]
 }