Update CHANGELOG.md for 12.0.3

[ci skip]

Update CHANGELOG.md for 12.0.3
a885417e · GitLab Release Tools Bot · dcca143e · a885417e
Commit a885417e authored 5 years ago by GitLab Release Tools Bot
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@ entry.
  
 ## 12.0.3 (2019-06-27)
  
+- No changes.
 ### Security (10 changes)
  
 - Persist tmp snippet uploads at users.