Update CHANGELOG-EE.md for 10.4.5-ee

[ci skip]

CHANGELOG-EE.md

@@ -94,6 +94,18 @@ Please view this file on the master branch, on stable branches it's out of date.
 - Remove unaproved typo check in sast:container report.
 
 
+## 10.4.5 (2018-03-01)
+
+### Security (2 changes)
+
+- Project can no longer be shared between groups when both member and group locks are active.
+- Prevent new push rules from using non-RE2 regexes.
+
+### Fixed (1 change)
+
+- Fix LDAP group sync no longer configurable for regular users.
+
+
 ## 10.4.4 (2018-02-16)
 
 ### Fixed (4 changes)