Update copyright and license information

Updated copyright information and license details in g4Config.C.

Author: amorsch

Detectors/gconfig/g4Config.C

@@ -1,10 +1,13 @@
-/********************************************************************************
- *    Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
- *                                                                              *
- *              This software is distributed under the terms of the             *
- *         GNU Lesser General Public Licence version 3 (LGPL) version 3,        *
- *                  copied verbatim in the file "LICENSE"                       *
- ********************************************************************************/
+// Copyright 2020-2022 CERN and copyright holders of ALICE O2.
+// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
+// All rights not expressly granted are reserved.
+//
+// This software is distributed under the terms of the GNU General Public
+// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
+//
+// In applying this license CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
 R__LOAD_LIBRARY(libG4ptl)
 R__LOAD_LIBRARY(libG4zlib)
 R__LOAD_LIBRARY(libG4expat)