Bumped version to 2.7.0 (#133)

* Bumped version to 2.7.0

* Updated changelog

Author: hiranya911

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Unreleased
 
+-
+
+# v2.7.0
+
 - [added] Added several new functions for testing errors
   (e.g. `auth.IsUserNotFound()`).
 - [added] Added support for setting the `mutable-content` property on

firebase.go

@@ -42,7 +42,7 @@ import (
 var defaultAuthOverrides = make(map[string]interface{})
 
 // Version of the Firebase Go Admin SDK.
-const Version = "2.6.1"
+const Version = "2.7.0"
 
 // firebaseEnvName is the name of the environment variable with the Config.
 const firebaseEnvName = "FIREBASE_CONFIG"