Update changelog

Signed-off-by: dependabot[bot] <support@github.com>

CHANGELOG.md

@@ -34,6 +34,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Bump `joni` from 2.1.44 to 2.1.45
 - Bump `commons-io:commons-io` from 2.7 to 2.11.0
 - Bump `org.jruby.joni:joni` from 2.1.45 to 2.1.48
+- Bump `org.apache.logging.log4j:log4j-core` from 2.19.0 to 2.20.0
 
 ### Changed
 - [CCR] Add getHistoryOperationsFromTranslog method to fetch the history snapshot from translogs ([#3948](https://github.com/opensearch-project/OpenSearch/pull/3948))
@@ -87,4 +88,4 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Security
 
 [Unreleased 3.0]: https://github.com/opensearch-project/OpenSearch/compare/2.x...HEAD
-[Unreleased 2.x]: https://github.com/opensearch-project/OpenSearch/compare/2.5...2.x
+[Unreleased 2.x]: https://github.com/opensearch-project/OpenSearch/compare/2.5...2.x