chore: update CHANGELOG

Author: photovoltex

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - [core] Made `SpotifyId::to_base62`, `SpotifyId::to_base16`, `FileId::to_base16`, `SpotifyUri::to_id` infallible (breaking)
+- [metadata] Removed `async-trait`. Implementations of `Metadata` don't need the `async-trait` annotation anymore. (breaking)
 
 ## [0.8.0] - 2025-11-10