Update notice

style95 · rabbah · commit 411a6627f0a8 · 2021-06-03T16:46:54.000-04:00
diff --git a/NOTICE.txt b/NOTICE.txt
@@ -1,5 +1,5 @@
 Apache OpenWhisk Runtime Node.js
-Copyright 2016-2020 The Apache Software Foundation
+Copyright 2016-2021 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).
