Aether-3088 change license to Apache-2.0

Change-Id: I42d7535e82065a8031119bee17594d3fb358a1e5
diff --git a/config-models/plproxy-1.x/files/yang/prom-label-proxy.yang b/config-models/plproxy-1.x/files/yang/prom-label-proxy.yang
index abc5c66..4bfa3a7 100755
--- a/config-models/plproxy-1.x/files/yang/prom-label-proxy.yang
+++ b/config-models/plproxy-1.x/files/yang/prom-label-proxy.yang
@@ -1,6 +1,6 @@
 // SPDX-FileCopyrightText: 2021 Open Networking Foundation

 //

-// SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0

+// SPDX-License-Identifier: Apache-2.0

 

 module prom-label-proxy {

   namespace "http://opennetworking.org/promlabelproxy/config/";