add changelog

Author: JFriel

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add Internal Note to Catalogue
 - Fix issue where project associations were not copied when a CIC was cloned
 - Fix issue with using Internal Catalogues in Cohort Identification Configurations
+- Fix bug with copying project specific Catalogues between Projects when committing a Cohort
 
 ## [9.1.2] - Unreleased
 - Automatically fetch user settings from previous versions of RDMP when installing the latest version