Adding changelog entry

Author: KoenZomers

CHANGELOG.md

@@ -10,8 +10,14 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ### Added
 
+### Fixed
+
+- Fixed `Get-PnPChangeLog -Version 2.3.0` not returning the changelog for that version
+
 ### Contributors
 
+- Koen Zomers [koenzomers]
+
 ## [2.4.0]
 
 ### Added