Update CHANGELOG-EE.md for 11.1.3-ee

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CHANGELOG-EE.md

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+## 11.1.3 (2018-07-27)
+
+### Fixed (1 change)
+
+- Resolve Environments dropdown is showing on the cluster health page. !6528
+
+
 ## 11.1.2 (2018-07-26)
 
 ### Security (1 change)

ee/changelogs/unreleased/6919-environments-dropdown-is-showing-on-the-cluster-health-page.yml

----
-title: Resolve Environments dropdown is showing on the cluster health page
-merge_request: 6528
-author:
-type: fixed