📝 Update release notes

docs/en/docs/release-notes.md

@@ -2,6 +2,7 @@
 
 ## Latest Changes
 
+* 🌐 Add Chinese translation for `docs/zh/docs/tutorial/encoder.md`. PR [#4969](https://github.com/tiangolo/fastapi/pull/4969) by [@Zssaer](https://github.com/Zssaer).
 * ✏ Tweak wording in `docs/en/docs/advanced/dataclasses.md`. PR [#3698](https://github.com/tiangolo/fastapi/pull/3698) by [@pfackeldey](https://github.com/pfackeldey).
 * 📝 Add note about Python 3.10 `X | Y` operator in explanation about Response Models. PR [#5307](https://github.com/tiangolo/fastapi/pull/5307) by [@MendyLanda](https://github.com/MendyLanda).
 * 🌐 Fix MkDocs file line for Portuguese translation of `background-task.md`. PR [#5242](https://github.com/tiangolo/fastapi/pull/5242) by [@ComicShrimp](https://github.com/ComicShrimp).