add changelog

Signed-off-by: bowenlan-amzn <[email protected]>

Author: bowenlan-amzn

CHANGELOG.md

@@ -27,6 +27,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - [Rule based auto-tagging] Add Rule based auto-tagging IT ([#18550](https://github.com/opensearch-project/OpenSearch/pull/18550))
 - Add all-active ingestion as docrep equivalent in pull-based ingestion ([#19316](https://github.com/opensearch-project/OpenSearch/pull/19316))
 - Add skip_list param for date, scaled float and token count fields ([#19142](https://github.com/opensearch-project/OpenSearch/pull/19142))
+- Harden the circuit breaker and failure handle logic in query result consumer ([#19396](https://github.com/opensearch-project/OpenSearch/pull/19396))
 
 ### Changed
 - Refactor `if-else` chains to use `Java 17 pattern matching switch expressions`(([#18965](https://github.com/opensearch-project/OpenSearch/pull/18965))