Merge pull request #267 from mathLab/update-copyright-lic

Update LICENSE.rst

Author: ndem0

LICENSE.rst

@@ -3,7 +3,7 @@ License
 
 The MIT License (MIT)
 
-Copyright (c) 2016-2020 PyGeM contributors
+Copyright (c) 2016-2023 PyGeM contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal