📝 Update release notes

[skip ci]

Author: github-actions[bot]

release-notes.md

@@ -4,6 +4,7 @@
 
 ### Features
 
+* ✨ Add created_at field to User and Item models and update endpoints. PR [#2144](https://github.com/fastapi/full-stack-fastapi-template/pull/2144) by [@alejsdev](https://github.com/alejsdev).
 * 🔧 Migrate from npm to Bun. PR [#2097](https://github.com/fastapi/full-stack-fastapi-template/pull/2097) by [@alejsdev](https://github.com/alejsdev).
 * 🔧 Set up node monorepo. PR [#2095](https://github.com/fastapi/full-stack-fastapi-template/pull/2095) by [@alejsdev](https://github.com/alejsdev).
 * 🧑‍💻 Implement uv workspaces. PR [#2090](https://github.com/fastapi/full-stack-fastapi-template/pull/2090) by [@alejsdev](https://github.com/alejsdev).