Updating copyright

Signed-off-by: Adam Knapp <adam.knapp@ericsson.com>

WebSocket_CNL113782.tpd

 <?xml version="1.0" encoding="UTF-8"?>
 <!--
- Copyright (c) 2000-2019 Ericsson Telecom AB
+ Copyright (c) 2000-2023 Ericsson Telecom AB
 
   All rights reserved. This program and the accompanying materials
   are made available under the terms of the Eclipse Public License v2.0

src/WebSocket_CNL113782.grp

 <!--
 /******************************************************************************
-* Copyright (c) 2000-2019 Ericsson Telecom AB
+* Copyright (c) 2000-2023 Ericsson Telecom AB
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at

src/WebSocket_EncDec.cc

 /******************************************************************************
-* Copyright (c) 2000-2019 Ericsson Telecom AB
+* Copyright (c) 2000-2023 Ericsson Telecom AB
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at

src/WebSocket_Types.ttcn

 /******************************************************************************
-* Copyright (c) 2000-2019 Ericsson Telecom AB
+* Copyright (c) 2000-2023 Ericsson Telecom AB
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at