CodeGen from PR 19594 in Azure/azure-rest-api-specs

Merge fe27cc58bd54c03b467a3d83ae1ab4f87ca8341c into 42ca0236ef14093f5aff0694efa34d5594e814a0

Author: SDKAuto

schemas/2021-05-01/Microsoft.DBforMySQL.json

@@ -483,10 +483,12 @@
       "properties": {
         "delegatedSubnetResourceId": {
           "type": "string",
+          "format": "arm-id",
           "description": "Delegated subnet resource id used to setup vnet for a server."
         },
         "privateDnsZoneResourceId": {
           "type": "string",
+          "format": "arm-id",
           "description": "Private DNS zone resource id."
         }
       },