Update changelog

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

CHANGELOG.md

@@ -107,6 +107,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Bump `org.codehaus.woodstox:stax2-api` from 4.2.1 to 4.2.2 ([#10639](https://github.com/opensearch-project/OpenSearch/pull/10639))
 - Bump `com.google.http-client:google-http-client` from 1.43.2 to 1.43.3 ([#10635](https://github.com/opensearch-project/OpenSearch/pull/10635))
 - Bump `com.squareup.okio:okio` from 3.5.0 to 3.6.0 ([#10637](https://github.com/opensearch-project/OpenSearch/pull/10637))
+- Bump `org.apache.logging.log4j:log4j-core` from 2.20.0 to 2.21.0 ([#10858](https://github.com/opensearch-project/OpenSearch/pull/10858))
 
 ### Changed
 - Mute the query profile IT with concurrent execution ([#9840](https://github.com/opensearch-project/OpenSearch/pull/9840))
@@ -130,4 +131,4 @@ 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/2.12...2.x
+[Unreleased 2.x]: https://github.com/opensearch-project/OpenSearch/compare/2.12...2.x