Update copyright year in LICENSE (#4804)

* Fix present year in LICENSE
* Fix present year in README

Author: HyunSangHan

LICENSE

@@ -1,6 +1,6 @@
 (The MIT License)
 
-Copyright (c) 2011-2021 OpenJS Foundation and contributors, https://openjsf.org
+Copyright (c) 2011-2022 OpenJS Foundation and contributors, https://openjsf.org
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the

README.md

@@ -65,6 +65,6 @@ Finally, come [chat with the maintainers](https://gitter.im/mochajs/contributors
 
 ## License
 
-Copyright 2011-2021 OpenJS Foundation and contributors. Licensed [MIT](https://github.com/mochajs/mocha/blob/master/LICENSE).
+Copyright 2011-2022 OpenJS Foundation and contributors. Licensed [MIT](https://github.com/mochajs/mocha/blob/master/LICENSE).
 
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