fix checkstyle failure for copyright year

Author: AllanZhengYP

config/checkstyle/checkstyle.xml

@@ -32,7 +32,7 @@
     <!-- Files must contain a copyright header. -->
     <module name="RegexpHeader">
         <property name="header"
-                  value="/\*\n \* Copyright 20(19|20|21) Amazon\.com, Inc\. or its affiliates\. All Rights Reserved\.\n"/>
+                  value="/\*\n \* Copyright 20(19|20|21|22) Amazon\.com, Inc\. or its affiliates\. All Rights Reserved\.\n"/>
         <property name="fileExtensions" value="java"/>
     </module>