Moves PR #4725 changelog entry to unreleased 2.x post backport

Signed-off-by: Suraj Singh <[email protected]>

CHANGELOG.md

@@ -46,7 +46,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Changed
 - [CCR] Add getHistoryOperationsFromTranslog method to fetch the history snapshot from translogs ([#3948](https://github.com/opensearch-project/OpenSearch/pull/3948))
 - Relax visibility of the HTTP_CHANNEL_KEY and HTTP_SERVER_CHANNEL_KEY to make it possible for the plugins to access associated Netty4HttpChannel / Netty4HttpServerChannel instance ([#4638](https://github.com/opensearch-project/OpenSearch/pull/4638))
-- Use ReplicationFailedException instead of OpensearchException in ReplicationTarget ([#4725](https://github.com/opensearch-project/OpenSearch/pull/4725))
 - Migrate client transports to Apache HttpClient / Core 5.x ([#4459](https://github.com/opensearch-project/OpenSearch/pull/4459))
 - Changed http code on create index API with bad input raising NotXContentException from 500 to 400 ([#4773](https://github.com/opensearch-project/OpenSearch/pull/4773))
 - Change http code for DecommissioningFailedException from 500 to 400 ([#5283](https://github.com/opensearch-project/OpenSearch/pull/5283))
@@ -87,6 +86,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Dependencies
 
 ### Changed
+- Use ReplicationFailedException instead of OpensearchException in ReplicationTarget ([#4725](https://github.com/opensearch-project/OpenSearch/pull/4725))
 
 ### Deprecated