chore: update changelog

Author: rauno56

CHANGELOG.md

@@ -8,6 +8,8 @@ All notable changes to this project will be documented in this file.
 
 ### :rocket: (Enhancement)
 
+* feat: implement HostDetector [#2921](https://github.com/open-telemetry/opentelemetry-js/pull/2921) @rauno56
+
 ### :bug: (Bug Fix)
 
 * fix: sanitize attributes inputs [#2881](https://github.com/open-telemetry/opentelemetry-js/pull/2881) @legendecas