Update CHANGELOG.md

Author: marickvantuil

CHANGELOG.md

@@ -4,6 +4,18 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## 2.1.1 - 2021-05-14
+
+**Fixed**
+
+- Added support for Laravel Octane and fix [#17](https://github.com/stackkit/laravel-google-cloud-tasks-queue/issues/17)
+
+## 2.1.0 - 2021-05-11
+
+**Added**
+
+- Handling of failed jobs
+
 ## 2.1.0-beta1 - 2021-03-28
 
 **Added**