Switch from member-only license to apache

Change-Id: I7661615a85e60c2aaae1d4b317e28448fda061b7
diff --git a/apps/tost-telegraf/.helmignore b/apps/tost-telegraf/.helmignore
index c687fff..4ad6621 100644
--- a/apps/tost-telegraf/.helmignore
+++ b/apps/tost-telegraf/.helmignore
@@ -1,5 +1,5 @@
 # Copyright 2021-present Open Networking Foundation
-# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+# SPDX-License-Identifier: Apache-2.0
 
 # Patterns to ignore when building packages.
 # This supports shell glob matching, relative path matching, and