Update copyright date

pavgust · pavgust · commit c45a5cf1f292 · 2020-04-06T14:37:09.000+01:00
diff --git a/LICENSE b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019 GitHub
+Copyright (c) 2019-2020 GitHub
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
