Update CHANGELOG-EE.md for 11.9.5-ee

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CHANGELOG-EE.md

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+## 11.9.5 (2019-04-03)
+
+### Fixed (3 changes)
+
+- Fix project approval rule with only private group being considered as approved when override is allowed. !10356
+- Fix approval rule sourcing from forked MR. !10474
+- Guard against ldap_sync_last_sync_at being nil. !10505
+
+### Added (1 change)
+
+- Add Insights frontend to retrieve and render chart. !9856
+
+
 ## 11.9.3 (2019-03-27)
 
 ### Security (1 change)

ee/changelogs/unreleased/10356-private-group-handling.yml

----
-title: Fix project approval rule with only private group being considered as approved when override is allowed
-merge_request: 10356
-author:
-type: fixed

ee/changelogs/unreleased/10601-merge-request-creation-from-fork-fails-due-to-approval-rule-sourcing.yml

----
-title: Fix approval rule sourcing from forked MR
-merge_request: 10474
-author:
-type: fixed

ee/changelogs/unreleased/insights-frontend.yml

----
-title: Add Insights frontend to retrieve and render chart
-merge_request: 9856
-author:
-type: added

ee/changelogs/unreleased/sh-handle-issue-9613.yml

----
-title: Guard against ldap_sync_last_sync_at being nil
-merge_request: 10505
-author:
-type: fixed