Update CHANGELOG-EE.md for 11.3.2-ee

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CHANGELOG-EE.md

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+## 11.3.2 (2018-10-03)
+
+### Fixed (1 change)
+
+- Geo: repository shard verification job should have unique lease keys per shard name. !7474
+
+
 ## 11.3.1 (2018-09-26)
 
 ### Security (2 changes)

ee/changelogs/unreleased/7722-geo-repository-verification-lease-key.yml

----
-title: 'Geo: repository shard verification job should have unique lease keys per shard
-  name'
-merge_request: 7474
-author:
-type: fixed