📝 Update release notes

docs/en/docs/release-notes.md

@@ -2,6 +2,7 @@
 
 ## Latest changes
 
+* Update tests and handling of `response_model_by_alias`. PR [#1642](https://github.com/tiangolo/fastapi/pull/1642).
 * Add translation to Chinese for [Body - Fields - 请求体 - 字段](https://fastapi.tiangolo.com/zh/tutorial/body-fields/). PR [#1569](https://github.com/tiangolo/fastapi/pull/1569) by [@waynerv](https://github.com/waynerv).
 * Update Chinese translation of main page. PR [#1564](https://github.com/tiangolo/fastapi/pull/1564) by [@waynerv](https://github.com/waynerv).
 * Add translation to Chinese for [Body - Multiple Parameters - 请求体 - 多个参数](https://fastapi.tiangolo.com/zh/tutorial/body-multiple-params/). PR [#1532](https://github.com/tiangolo/fastapi/pull/1532) by [@waynerv](https://github.com/waynerv).