Added CHANGELOG entry

Signed-off-by: Raghuvansh Raj <[email protected]>

CHANGELOG.md

@@ -90,6 +90,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Remove 'cluster_manager' role attachment when using 'node.master' deprecated setting ([#6331](https://github.com/opensearch-project/OpenSearch/pull/6331))
 - Add new cluster settings to ignore weighted round-robin routing and fallback to default behaviour. ([#6834](https://github.com/opensearch-project/OpenSearch/pull/6834))
 - Add experimental support for ZSTD compression. ([#3577](https://github.com/opensearch-project/OpenSearch/pull/3577))
+- [Remote Store] Support to emit multiple streams for a file content each responsible for processing a specific part of the file ([#6977](https://github.com/opensearch-project/OpenSearch/pull/6977))
 
 ### Dependencies
 - Bump `org.apache.logging.log4j:log4j-core` from 2.18.0 to 2.20.0 ([#6490](https://github.com/opensearch-project/OpenSearch/pull/6490))