fix workload identity args

Author: wchigit

articles/service-connector/tutorial-python-aks-storage-workload-identity.md

@@ -131,7 +131,7 @@ Run the following Azure CLI command to create a service connection to the Azure
 
 ```azurecli
 az aks connection create storage-blob \
-    --user-identity client-id=<MyIdentity-ClientId> subs-id=<MyIdentity-SubscriptionId>
+    --workload-identity <user-identity-resource-id>
 ```
 
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