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).
 
+## 3.1.2 - 2022-04-24
+
+**Fixed**
+
+- Fixed JWT decode error caused by update in google/auth
+
+## 3.1.1 - 2022-04-11
+
+**Fixed**
+
+- Fix 'audience does not match'
+
 ## 3.1.0 - 2022-04-09
 
 **Added**