Updated license year

Author: sunil-lakshman

README.md

@@ -152,7 +152,7 @@ Read through to understand how to use the Sync API with Contentstack Python SDK.
 
 ### The MIT License (MIT)
 
-Copyright © 2012-2023 [Contentstack](https://www.contentstack.com/). All Rights Reserved
+Copyright © 2012-2025 [Contentstack](https://www.contentstack.com/). All Rights Reserved
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 documentation files (the "Software"), to deal in the Software without restriction, including without limitation the