Update CHANGELOG.md for 12.5.5

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Update CHANGELOG.md for 12.5.5
87a40f47 · John Skarbek · 9262f042 · 87a40f47
Commit 87a40f47 authored 5 years ago by John Skarbek
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@ entry.
  
 ## 12.5.5
  
+- No changes.
 ### Security (1 change)
  
 - Upgrade Akismet gem to v3.0.0. !21786