Update CHANGELOG.md for 12.6.3

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Update CHANGELOG.md for 12.6.3
eef44252 · GitLab Release Tools Bot · 60d26dd7 · eef44252
Commit eef44252 authored 5 years ago by GitLab Release Tools Bot
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@ entry.
  
 ## 12.6.3
  
+- No changes.
 ### Security (1 change)
  
 - Upgrade json-jwt to v1.11.0. !22440