📝 Update release notes

[skip ci]

docs/en/docs/release-notes.md

@@ -25,6 +25,7 @@ hide:
 
 ### Internal
 
+* ✅ Simplify tests for response_model. PR [#14062](https://github.com/fastapi/fastapi/pull/14062) by [@dynamicy](https://github.com/dynamicy).
 * 🚨 Install pydantic.mypy plugin. PR [#14081](https://github.com/fastapi/fastapi/pull/14081) by [@svlandeg](https://github.com/svlandeg).
 * ✅ Add LLM test file. PR [#14049](https://github.com/fastapi/fastapi/pull/14049) by [@nilslindemann](https://github.com/nilslindemann).
 * 🔨 Update translations script. PR [#13968](https://github.com/fastapi/fastapi/pull/13968) by [@YuriiMotov](https://github.com/YuriiMotov).