docs: update LICENSE copyright for 2024

Author: datamweb

LICENSE

@@ -1,7 +1,7 @@
 The MIT License (MIT)
 
 Copyright (c) 2020-2022 Lonnie Ezell
-Copyright (c) 2022-2023 CodeIgniter Foundation
+Copyright (c) 2022-2024 CodeIgniter Foundation
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal