adding Missing property meterId (#32377)

Author: jayati-tehri

specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2024-08-01/costmanagement.pricesheets.json

@@ -335,6 +335,11 @@
           "type": "string",
           "readOnly": true
         },
+        "meterId": {
+          "description": "Unique identifier of the meter ",
+          "type": "string",
+          "readOnly": true
+        },
         "meterName": {
           "description": "Name of the meter. The meter represents the deployable resource of an Azure service.",
           "type": "string",