Update CHANGELOG-EE.md for 10.2.3-ee

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CHANGELOG-EE.md

 Please view this file on the master branch, on stable branches it's out of date.
 
+## 10.2.3 (2017-11-30)
+
+### Fixed (5 changes)
+
+- Fix viewing default push rules on a Geo secondary. !3559
+- Disable autocomplete for epics.
+- Fix epic fullscreen editing.
+- Fix tasklist for epics.
+- Fix Geo wiki sync error not increasing retry count.
+
+
 ## 10.2.2 (2017-11-23)
 
 ### Fixed (6 changes)

changelogs/unreleased-ee/4110-fix-push-rules-on-geo-secondary.yml

----
-title: Fix viewing default push rules on a Geo secondary
-merge_request: 3559
-author:
-type: fixed

changelogs/unreleased-ee/disable-autocomplete.yml

----
-title: Disable autocomplete for epics
-merge_request:
-author:
-type: fixed

changelogs/unreleased-ee/fix-epic-fullscreen.yml

----
-title: Fix epic fullscreen editing
-merge_request:
-author:
-type: fixed

changelogs/unreleased-ee/fix-epic-tasklist.yml

----
-title: Fix tasklist for epics
-merge_request:
-author:
-type: fixed

changelogs/unreleased-ee/fix-geo-wiki-error.yml

----
-title: Fix Geo wiki sync error not increasing retry count
-merge_request:
-author:
-type: fixed