Merge pull request #317 from anynines/update_changelog_for_v1.2.0

Update CHANGELOG for v1.2.0 release

Author: mkfdoherty

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to the a9s Dataservices on Kubernetes will be documented
 here, the format is based on [Keep a
 Changelog](https://keepachangelog.com/en/1.0.0/).
 
-## [unreleased]
+## [1.2.0] - 2024-06-24
 
 ### Added