Update changelog

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Added
+
+- Extended the _Public API_ with the endpoint to update the asset profile data (`PATCH api/v1/asset-profiles/:dataSource/:symbol`) (experimental)
+
 ### Changed
 
 - Prefilled the form in the account balance management with the current cash balance