Fix ItFmwDomainOnPVSample failed in release/4.2

Author: xiancao

kubernetes/samples/scripts/create-weblogic-domain/wdt-artifacts/wdt-model-files/JRF-v1/model.10.yaml

@@ -1,4 +1,4 @@
-# Copyright (c) 2020, 2023, Oracle and/or its affiliates.
+# Copyright (c) 2020, 2024, Oracle and/or its affiliates.
 # Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
 
 domainInfo:
@@ -9,7 +9,7 @@ domainInfo:
         rcu_prefix: '@@SECRET:@@ENV:DOMAIN_UID@@-rcu-access:rcu_prefix@@'
         rcu_schema_password: '@@SECRET:@@ENV:DOMAIN_UID@@-rcu-access:rcu_schema_password@@'
         rcu_db_conn_string: '@@SECRET:@@ENV:DOMAIN_UID@@-rcu-access:rcu_db_conn_string@@'
-        rcu_db_user: sys
+        rcu_admin_user: sys
         rcu_admin_password: '@@SECRET:@@ENV:DOMAIN_UID@@-rcu-access:rcu_schema_password@@'
 
 topology: