Update CHANGELOG-EE.md for 9.4.7-ee

[ci skip]

CHANGELOG-EE.md

@@ -137,6 +137,12 @@ Please view this file on the master branch, on stable branches it's out of date.
 - Fix rebase button when merge request is created from a fork.
 - Skip oAuth authorization for trusted applications.
 
+## 9.4.7 (2017-10-16)
+
+- [SECURITY] Prevent Related Issues from leaking confidential issues.
+- Fix when pushing without a branch name. !2879
+- Escape user name in filtered search bar.
+
 ## 9.4.6 (2017-09-06)
 
 - [FIXED] Validate branch name push rule when pushing branch without commits. !2685