Update changelog

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Added
+
+- Added support for converting an asset profile to the `MANUAL` data source in the asset profile details dialog of the admin control panel
+
 ### Changed
 
 - Restricted the symbol data endpoint (`GET /api/v1/symbol/:dataSource/:symbol`) to authenticated users