Updated copyright year in user visible text

Post-push fix: update two result files.

Approved by Tor Didriksen <[email protected]>

Author: dahlerlend

mysql-test/r/mysql_config_editor.result

@@ -100,7 +100,7 @@ user = test_user4
 ##############################################
 # Tests for mysql_config_editor's help command
 ##############################################
-Copyright (c) 2012, 2021, Oracle and/or its affiliates.
+Copyright (c) 2012, 2021, Oracle and/or its affiliates. All rights reserved.
 
 Oracle is a registered trademark of Oracle Corporation and/or its
 affiliates. Other names may be trademarks of their respective