Update changelog

Author: ja573

CHANGELOG.md

@@ -5,8 +5,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+
+## [[0.13.4]](https://github.com/thoth-pub/thoth/releases/tag/v0.13.4) - 2024-12-11
 ### Added
-  - Implement caching errors in export API
+  - [661](https://github.com/thoth-pub/thoth/pull/661) - Implement caching errors in export API
 
 ## [[0.13.3]](https://github.com/thoth-pub/thoth/releases/tag/v0.13.3) - 2024-12-02
 ### Changed