add missing license header

Signed-off-by: Lukas Jungmann <lukas.jungmann@oracle.com>

tck/tck-dist/src/main/scripts/artifact-install.sh

@@ -1,4 +1,19 @@
 #!/usr/bin/env bash
+#
+# Copyright (c) 2021, 2022 Oracle and/or its affiliates. All rights reserved.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Eclipse Public License v. 2.0, which is available at
+# http://www.eclipse.org/legal/epl-2.0.
+#
+# This Source Code may also be made available under the following Secondary
+# Licenses when the conditions for such availability set forth in the
+# Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+# version 2 with the GNU Classpath Exception, which is available at
+# https://www.gnu.org/software/classpath/license.html.
+#
+# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+#
 
 ##script to install the artifact directory contents into a local maven repository