Update CHANGELOG-EE.md for 11.1.1-ee

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CHANGELOG-EE.md

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+## 11.1.1 (2018-07-23)
+
+### Fixed (2 changes)
+
+- Fix geo download service ImportExportDownloader unitialized constant. !6567
+- Geo - Allow repository verification to be disabled on a secondary node. !6599
+
+
 ## 11.1.0 (2018-07-22)
 
 ### Removed (1 change)

ee/changelogs/unreleased/6929-geo-uninitialized-constant-gitlab-geo-importexportdownloader.yml

----
-title: Fix geo download service ImportExportDownloader unitialized constant
-merge_request: 6567
-author:
-type: fixed

ee/changelogs/unreleased/6964-geo-unable-to-disable-verification-on-the-secondary.yml

----
-title: Geo - Allow repository verification to be disabled on a secondary node
-merge_request: 6599
-author:
-type: fixed