add CHANGELOG

Signed-off-by: Kaushal Kumar <[email protected]>

Author: kaushalmahi12

CHANGELOG.md

@@ -35,6 +35,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Fix assertion error when collapsing search results with concurrent segment search enabled ([#19053](https://github.com/opensearch-project/OpenSearch/pull/19053))
 - Fix skip_unavailable setting changing to default during node drop issue ([#18766](https://github.com/opensearch-project/OpenSearch/pull/18766))
 - Fix pull-based ingestion pause state initialization during replica promotion ([#19212](https://github.com/opensearch-project/OpenSearch/pull/19212))
+- Fix QueryPhaseResultConsumer incomplete callback loops ([#19231](https://github.com/opensearch-project/OpenSearch/pull/19231))
 
 ### Dependencies
 - Bump `com.netflix.nebula.ospackage-base` from 12.0.0 to 12.1.0 ([#19019](https://github.com/opensearch-project/OpenSearch/pull/19019))