📝 Update release notes

docs/en/docs/release-notes.md

@@ -2,6 +2,7 @@
 
 ## Latest Changes
 
+* 📝 Add external link to article: Seamless FastAPI Configuration with ConfZ. PR [#4414](https://github.com/tiangolo/fastapi/pull/4414) by [@silvanmelchior](https://github.com/silvanmelchior).
 * 📝 Add external link to article: 5 Advanced Features of FastAPI You Should Try. PR [#4436](https://github.com/tiangolo/fastapi/pull/4436) by [@kaustubhgupta](https://github.com/kaustubhgupta).
 * ✏ Reword to improve legibility of docs about `TestClient`. PR [#4389](https://github.com/tiangolo/fastapi/pull/4389) by [@rgilton](https://github.com/rgilton).
 * 🌐 Update source example highlights for `docs/zh/docs/tutorial/query-params-str-validations.md`. PR [#4237](https://github.com/tiangolo/fastapi/pull/4237) by [@caimaoy](https://github.com/caimaoy).