Update move-support-resources.md

(Code: ResourceMoveValidationFailed) Resource move is not supported for resource types 'Microsoft.Datadog/monitors

Author: shubhamagarwalMSFT

articles/azure-resource-manager/management/move-support-resources.md

@@ -635,6 +635,13 @@ Before starting your move operation, review the [checklist](./move-resource-grou
 > | ------------- | ----------- | ---------- | ----------- |
 > | connectionmanagers | No | No | No |
 
+## Microsoft.DataDog
+
+> [!div class="mx-tableFixed"]
+> | Resource type | Resource group | Subscription | Region move |
+> | ------------- | ----------- | ---------- | ----------- |
+> | monitors | No | No |  No |
+
 ## Microsoft.DataExchange
 
 > [!div class="mx-tableFixed"]