Bumping CHANGELOG to 0.27.4 (#1275)

Author: dopey

CHANGELOG.md

@@ -26,7 +26,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ---
 
-## [0.27.3] - 2024-09-13
+## [0.27.4] - 2024-09-13
 
 ### Added
 
@@ -41,6 +41,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Parse crlEntryExtensions in CRLs (smallstep/cli#1262)
 - PowerShell 5.1 CLI crashes in Windows 11 (smallstep/cli#1257)
 
+### Notes
+
+- Skipping 0.27.3 to synchronize with smallstep/certificates
+
 
 ## [0.27.2] - 2024-07-18