Update copyright year to 2022

Author: adangel

LICENSE.md

@@ -1,4 +1,4 @@
-Copyright (c) 1997-2021, PMD for Eclipse Development Team
+Copyright (c) 1997-2022, PMD for Eclipse Development Team
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

net.sourceforge.pmd.eclipse.plugin/about.ini

@@ -1,6 +1,6 @@
 aboutText=Eclipse PMD Plugin\n\
 \n\
-(c) 1997-2021 PMD Team\n\
+(c) 1997-2022 PMD Team\n\
 https://pmd.github.io
 
 featureImage=icons/pmd-icon-32.gif

net.sourceforge.pmd.eclipse/feature.properties

@@ -8,12 +8,12 @@ description.text = This feature brings PMD into the Eclipse environment.
 description.url = https://pmd.github.io
 
 copyright.text =\
-Copyright 1997-2021 PMD for Eclipse Development Team \n\
+Copyright 1997-2022 PMD for Eclipse Development Team \n\
 under sponsorship of the Defense Advanced Research Projects Agency (DARPA).
 
 license.url = http://pmd.sourceforge.net/license.html
 license.text =\
-Copyright (c) 1997-2021, PMD for Eclipse Development Team \n\
+Copyright (c) 1997-2022, PMD for Eclipse Development Team \n\
 All rights reserved. \n\
  \n\
 Redistribution and use in source and binary forms, with or without \n\