feat: update changelog

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

CHANGELOG.md

@@ -200,7 +200,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Add path ignore for markdown files for CI ([#2312](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/2312))
 - Updating WS scans to ignore BWC artifacts in `cypress` ([#2408](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/2408))
 - [CI] Run functional test repo as workflow ([#2503](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/2503))
-- [CI] Patch pkg.branch according to pkg.version when build ([#3483](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3483))
+- Add downgrade logic for branch in DocLinkService([#3483](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3483))
 
 ### 📝 Documentation