Adds a CHANGELOG entry

Signed-off-by: Darshit Chanpura <dchanp@amazon.com>

CHANGELOG.md

@@ -79,6 +79,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Fix compression support for h2c protocol ([#4944](https://github.com/opensearch-project/OpenSearch/pull/4944))
 - Support OpenSSL Provider with default Netty allocator ([#5460](https://github.com/opensearch-project/OpenSearch/pull/5460))
 - Avoid negative memory result in IndicesQueryCache stats calculation ([#6917](https://github.com/opensearch-project/OpenSearch/pull/6917))
+- Replaces ZipInputStream with ZipFile to fix ZipSlip vulnerability ([#7230](https://github.com/opensearch-project/OpenSearch/pull/7230))
 
 ### Security
 
@@ -146,4 +147,4 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Security
 
 [Unreleased 3.0]: https://github.com/opensearch-project/OpenSearch/compare/2.x...HEAD
-[Unreleased 2.x]: https://github.com/opensearch-project/OpenSearch/compare/2.5...2.x
+[Unreleased 2.x]: https://github.com/opensearch-project/OpenSearch/compare/2.5...2.x