Adds changelog entry

Signed-off-by: Darshit Chanpura <dchanp@amazon.com>

Author: DarshitChanpura

CHANGELOG.md

@@ -22,6 +22,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Bump `actions/checkout` from 4 to 5 ([#2295](https://github.com/opensearch-project/security-dashboards-plugin/pull/2295))
 - Bump `derek-ho/start-opensearch` from 7 to 8 ([#2309](https://github.com/opensearch-project/security-dashboards-plugin/pull/2309))
 - Bump `actions/github-script` from 7 to 8 ([#2307](https://github.com/opensearch-project/security-dashboards-plugin/pull/2307))
+- Bump @derek-ho/start-opensearch to 9 ([#2319]https://github.com/opensearch-project/security-dashboards-plugin/pull/2319)
 
 
 ### Documentation