Update CHANGELOG-EE.md for 13.5.6-ee

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Update CHANGELOG-EE.md for 13.5.6-ee
2aa47d9e · GitLab Release Tools Bot · d6d554f8 · 2aa47d9e
Commit 2aa47d9e authored 4 years ago by GitLab Release Tools Bot
--- a/CHANGELOG-EE.md
+++ b/CHANGELOG-EE.md
@@ -365,6 +365,10 @@ Please view this file on the master branch, on stable branches it's out of date.
 - Remove duplicated BS display properties from member overriding UI. !47126 (Takuya Noguchi)
  
  
+## 13.5.6 (2021-01-07)
+
+- No changes.
+
 ## 13.5.5 (2020-12-07)
  
 ### Security (1 change)