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

Change-Id: I031b31427f78d0c238342124638327fcc933ea29
diff --git a/pfcp-agent/templates/statefulset-pfcp-agent.yaml b/pfcp-agent/templates/statefulset-pfcp-agent.yaml
index d4aaa6a..44c7e38 100644
--- a/pfcp-agent/templates/statefulset-pfcp-agent.yaml
+++ b/pfcp-agent/templates/statefulset-pfcp-agent.yaml
@@ -1,7 +1,7 @@
 {{/*
 # Copyright 2020-present Open Networking Foundation
 
-# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+# SPDX-License-Identifier: Apache-2.0
 */}}
 
 {{- $upfConfig := index .Values.config.pfcp.cfgFiles "upf.json" }}