ptpstatus.sh: change license to Apache 2.0

Following the decision of the copyright holder (Grid to Great), the license of this script is now Apache 2.0, which is the Seapath Ansible repository default.

Signed-off-by: Florent CARLI <florent.carli@rte-france.com>

roles/ptp_status_vsock/files/ptpstatus/ptpstatus_script/ptpstatus.sh → roles/ptp_status_vsock/files/ptpstatus/ptpstatus.sh

@@ -4,21 +4,22 @@
 # status from it.
 # Copyright (C) 2024  Grid to Great B.V.
 #
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
-# USA.
-# https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 set -e
 set -u