Update CHANGELOG-EE.md for 13.10.4-ee

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Update CHANGELOG-EE.md for 13.10.4-ee
f4834a3c · GitLab Release Tools Bot · John Skarbek · 32660c81 · f4834a3c
Unverified Commit f4834a3c authored 3 years ago by GitLab Release Tools Bot Committed by John Skarbek 3 years ago
--- a/CHANGELOG-EE.md
+++ b/CHANGELOG-EE.md
@@ -283,6 +283,13 @@ Please view this file on the master branch, on stable branches it's out of date.
 - Remove dast_branch_selection feature flag. !59349
  
  
+## 13.10.4 (2021-04-27)
+
+### Security (1 change)
+
+- Do not expose pull mirror username and password.
+
+
 ## 13.10.3 (2021-04-13)
  
 - No changes.