Update CHANGELOG-EE.md for 11.6.2-ee

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CHANGELOG-EE.md

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+## 11.6.2 (2019-01-02)
+
+### Fixed (1 change)
+
+- Fix issue ID wrapping and avatar counter shrinking in Related Issues list. !8854
+
+
 ## 11.6.1 (2018-12-28)
 
 ### Security (1 change)

ee/changelogs/unreleased/8850-fix-related-issues-id-wrapping.yml

----
-title: Fix issue ID wrapping and avatar counter shrinking in Related Issues list
-merge_request: 8854
-author:
-type: fixed