Added Changelog

Signed-off-by: Vinay Krishna Pudyodu <vinkrish.neo@gmail.com>

Author: vinaykpud

CHANGELOG.md

@@ -14,6 +14,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Fix Bug - Handle unsigned long in sorting order assertion of LongHashSet ([#17207](https://github.com/opensearch-project/OpenSearch/pull/17207))
 - Implemented computation of segment replication stats at shard level ([#17055](https://github.com/opensearch-project/OpenSearch/pull/17055))
 - [Rule Based Auto-tagging] Add in-memory attribute value store ([#17342](https://github.com/opensearch-project/OpenSearch/pull/17342))
+- Renaming the node role search to warm ([#17573](https://github.com/opensearch-project/OpenSearch/pull/17573))
 
 ### Dependencies
 - Bump `org.awaitility:awaitility` from 4.2.0 to 4.3.0 ([#17230](https://github.com/opensearch-project/OpenSearch/pull/17230), [#17439](https://github.com/opensearch-project/OpenSearch/pull/17439))