chore(license): Update copyright notice to 2021 [ci skip] (#3667)

JandersonConstantino · web-flow · commit 913682da3826 · 2021-03-30T14:44:47.000-07:00
diff --git a/LICENSE b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License
 
-Copyright (C) 2011-2020 Google, Inc.
+Copyright (C) 2011-2021 Google, Inc.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
