Update license date

kelunik · kelunik · commit 5137787c49f2 · 2022-11-07T22:15:29.000+01:00
diff --git a/LICENSE b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2017-2021 amphp (Niklas Keller, Aaron Piotrowski, and contributors)
+Copyright (c) 2017-2022 amphp (Niklas Keller, Aaron Piotrowski, and 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
