Update copyright date

2020-04-06 14:37:09 +01:00 · 2020-04-06 14:37:09 +01:00 · c45a5cf1f2
--- a/2
+++ b/2
@ -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