Add to CHANGELOG

Signed-off-by: Craig Perkins <[email protected]>

Author: cwperks

CHANGELOG.md

@@ -32,7 +32,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Refactor the ThreadPoolStats.Stats class to use the Builder pattern instead of constructors ([#19317](https://github.com/opensearch-project/OpenSearch/pull/19317))
 - Refactor the IndexingStats.Stats class to use the Builder pattern instead of constructors ([#19306](https://github.com/opensearch-project/OpenSearch/pull/19306))
 - Remove FeatureFlag.MERGED_SEGMENT_WARMER_EXPERIMENTAL_FLAG. ([#19715](https://github.com/opensearch-project/OpenSearch/pull/19715))
--
+- Replace java.security.AccessController with org.opensearch.secure_sm.AccessController in sub projects with SocketAccess class ([#19803](https://github.com/opensearch-project/OpenSearch/pull/19803))
+
 ### Fixed
 - Fix Allocation and Rebalance Constraints of WeightFunction are incorrectly reset ([#19012](https://github.com/opensearch-project/OpenSearch/pull/19012))
 - Fix flaky test FieldDataLoadingIT.testIndicesFieldDataCacheSizeSetting ([#19571](https://github.com/opensearch-project/OpenSearch/pull/19571))