Update LICENSE

Author: rasa

LICENSE

@@ -1,7 +1,7 @@
 MIT License
 
 Copyright (c) 2021 Authors listed at https://git.io/JDoqG
-Copyright (c) 2019-2020 Jakub Čábera
+Copyright (c) 2019-2021 Jakub Čábera
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal