updated changelog

Author: Roaders

CHANGELOG.md

@@ -42,6 +42,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 * Updated .NET API documentation for IListener.Unsubscribe to be async for 2.2 and current. ([#1690](https://github.com/finos/FDC3/pull/1690))
 * Fix for channel change listeners not sending addEventListenerRequests ([#1606](https://github.com/finos/FDC3/pull/1606))
 * Fix to ensure that Adding A Channel Change Event Listener Doesn't Send addEventListenerRequest - Conformance 2.2 ([#1606](https://github.com/finos/FDC3/pull/1606))
+* Fixed import file extensions and module type to be esm module compliant
 
 ## [FDC3 Standard 2.2](https://github.com/finos/FDC3/compare/v2.1..v2.2) - 2025-03-12