Bump changelog

Author: alexrudall

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add Security.md and activate private vulnerability reporting
 - Add RealTime endpoint to create WebRTC token - thank you to [@ngelx](https://github.com/ngelx) for the PR and others for input!
 - Add multi-image upload - thank you to [@ryankon](https://github.com/ryankon) and others for requesting.
+- Refactor streaming so that Chat, Responses, Assistant Runs and any others where events are streamed now send the event to the Proc, replacing unused _bytesize. Search the README for `_event` to see how to use this. Important change implemented by [@ingemar](https://github.com/ingemar)!
 - Handle OpenAI::Files request parameters - thank you to [@okorepanov](https://github.com/okorepanov) for the PR.
 - Add Gemini docs - thanks to [@francis](https://github.com/francis).
 - Add web proxy debugging docs - thanks to [@cpb](https://github.com/cpb).