Update on "Add script to apply release-only changes"

[ghstack-poisoned]

Author: guangy10

scripts/release/apply-release-changes.sh

@@ -1,4 +1,9 @@
 #!/usr/bin/env bash
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
 
 : '
 # Step 2 after branch cut is complete.

scripts/release/cut-release-branch.sh

@@ -1,4 +1,9 @@
 #!/usr/bin/env bash
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
 
 : '
 So you are looking to cut a release branch? Well you came