Updated year in copyright

Issue-Ref: 4167

Signed-off-by: Andreas Bayha <bayha@fortiss.org>

org.fortiss.af3.phoenix.product/org.fortiss.af3.phoenix.product.product

@@ -65,7 +65,7 @@ governing permissions and limitations under the License.
    <license>
         <url>http://www.apache.org/licenses/LICENSE-2.0</url>
         <text>
-   Copyright 2011-2018 fortiss GmbH
+   Copyright 2011-2021 fortiss GmbH
 
 Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
 you may not use this file except in compliance with the License.