Change license from ONF-Member-Only to Apache-2.0

Change-Id: I031b31427f78d0c238342124638327fcc933ea29
diff --git a/dbuf/templates/servicemonitor.yaml b/dbuf/templates/servicemonitor.yaml
index 4290b0b..0899a44 100644
--- a/dbuf/templates/servicemonitor.yaml
+++ b/dbuf/templates/servicemonitor.yaml
@@ -3,7 +3,7 @@
 {{/*
 # Copyright 2021-present Open Networking Foundation
 
-# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+# SPDX-License-Identifier: Apache-2.0
 */}}
 
 apiVersion: monitoring.coreos.com/v1