update changelog

Signed-off-by: jdnvn <[email protected]>

Author: jdnvn

CHANGELOG.md

@@ -129,6 +129,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Fix AutoDateHistogramAggregator rounding assertion failure ([#17023](https://github.com/opensearch-project/OpenSearch/pull/17023))
 - Add highlighting for wildcard search on `match_only_text` field ([#17101](https://github.com/opensearch-project/OpenSearch/pull/17101))
 - Fix the failing CI's with `Failed to load eclipse jdt formatter` error ([#17172](https://github.com/opensearch-project/OpenSearch/pull/17172))
+- Fix visit of inner query for FunctionScoreQueryBuilder ([#15404](https://github.com/opensearch-project/OpenSearch/pull/15404))
 
 ### Security