LICENSE.txt in rumale-0.22.2 vs LICENSE.txt in rumale-0.22.3

- old
+ new

@@ -1,5 +1,5 @@
-Copyright (c) 2017-2020 Atsushi Tatsuma
+Copyright (c) 2017-2021 Atsushi Tatsuma
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
 