Update LICENSE.md

Author: chrispenny

LICENSE.md

@@ -1,6 +1,6 @@
 BSD 3-Clause License
 
-Copyright (c) 2006-2018, Silverstripe Limited - www.silverstripe.com
+Copyright (c) 2024, Silverstripe Limited - www.silverstripe.com
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without