Moving changelog to unreleased 2.x section

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

CHANGELOG.md

@@ -9,7 +9,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Add getter for path field in NestedQueryBuilder ([#4636](https://github.com/opensearch-project/OpenSearch/pull/4636))
 - Allow mmap to use new JDK-19 preview APIs in Apache Lucene 9.4+ ([#5151](https://github.com/opensearch-project/OpenSearch/pull/5151))
 - Add support for ppc64le architecture ([#5459](https://github.com/opensearch-project/OpenSearch/pull/5459))
-- Cancellation of in-flight SearchTasks based on resource consumption ([#5606](https://github.com/opensearch-project/OpenSearch/pull/5605))
 
 ### Dependencies
 - Bumps `log4j-core` from 2.18.0 to 2.19.0
@@ -85,6 +84,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Add support to disallow search request with preference parameter with strict weighted shard routing([#5874](https://github.com/opensearch-project/OpenSearch/pull/5874))
 - Changing ExtensionActionRequest streaminput constructor to be public ([#6094](https://github.com/opensearch-project/OpenSearch/pull/6094))
 - Adds support for minimum compatible version for extensions ([#6003](https://github.com/opensearch-project/OpenSearch/pull/6003))
+- Cancellation of in-flight SearchTasks based on resource consumption ([#5606](https://github.com/opensearch-project/OpenSearch/pull/5605))
 
 ### Dependencies
 - Update nebula-publishing-plugin to 19.2.0 ([#5704](https://github.com/opensearch-project/OpenSearch/pull/5704))