Update CHANGELOG-EE.md for 12.9.10-ee

[ci skip]

Update CHANGELOG-EE.md for 12.9.10-ee
58533653 · GitLab Release Tools Bot · 31bf989a · 58533653
Commit 58533653 authored 4 years ago by GitLab Release Tools Bot
--- a/CHANGELOG-EE.md
+++ b/CHANGELOG-EE.md
@@ -440,6 +440,13 @@ Please view this file on the master branch, on stable branches it's out of date.
 - Add health status counts to usage data. !28964
  
  
+## 12.9.10 (2020-06-10)
+
+### Security (1 change)
+
+- Do not set fallback mirror user.
+
+
 ## 12.9.8 (2020-05-27)
  
 ### Security (3 changes)