Update CHANGELOG

Signed-off-by: Sotaro Hikita <bering1814@gmail.com>

Author: lawofcycles

CHANGELOG.md

@@ -2,6 +2,9 @@
 Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ## [Unreleased]
+### Added
+- Add system property `opensearch.hadoop.version.check.skip` to bypass multiple JAR version detection ([#753](https://github.com/opensearch-project/opensearch-hadoop/pull/753))
+
 ### Dependencies
 - Bumps `commons-logging:commons-logging` from 1.3.5 to 1.3.6
 - Bumps `com.fasterxml.jackson.core:jackson-databind` from 2.21.1 to 2.21.3