Merge pull request #316 from microsoftgraph/rsh/changeLogUpdate

Update CHANGELOG.MD

Author: baywet

CHANGELOG.MD

@@ -6,6 +6,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ##[Unreleased]
+
+##[2.0.9] - 2021-09-14 
 ###Added
+- Workflow for build validation
+- Workflow for Maven preview and GitHub Release
+- Proper handling for InterruptedException
 ###Changed
-##[x.x.x] - 2021-09-14 
+- Casing fixed for Odata type parsing
+- Removed .azure-pipelines/**