Added CHANGELOG-EE item

CHANGELOG-EE

@@ -4,6 +4,7 @@ v 8.9.0 (unreleased)
   - Fix nil user handling in UpdateMirrorService
   - Allow LDAP to mark users as external based on their group membership. !432
   - Instrument instance methods of Gitlab::InsecureKeyFingerprint class
+  - Add API endpoint for Merge Request Approvals !449
 
 v 8.8.4
   - Remove license overusage message

lib/api/entities.rb

@@ -217,7 +217,7 @@ module API
     end
 
     class Approvals < Grape::Entity
-      expose :user, as: :user, using: Entities::UserBasic
+      expose :user, using: Entities::UserBasic
     end
 
     class MergeRequestApprovals < ProjectEntity