update release note

Signed-off-by: Huong Nguyen <[email protected]>

kedro-datasets/RELEASE.md

@@ -14,6 +14,7 @@
 ## Bug fixes and other changes
 - Implemented Snowflake's (local testing framework)[https://docs.snowflake.com/en/developer-guide/snowpark/python/testing-locally] for testing purposes
 - Improved the dependency management for Spark-based datasets by refactoring the Spark and Databricks utility functions used across the datasets.
+- Add deprecation warning for MetricsTrackingDataset and JSONTrackingDataset.
 
 ## Breaking Changes
 - Demoted `video.VideoDataset` from core to experimental dataset.