📝 Update release notes

docs/en/docs/release-notes.md

@@ -2,6 +2,7 @@
 
 ## Latest Changes
 
+* ✨ Add `ResponseValidationError` printable details, to show up in server error logs. PR [#10078](https://github.com/tiangolo/fastapi/pull/10078) by [@tiangolo](https://github.com/tiangolo).
 * 🌐 Add Japanese translation for `docs/ja/docs/deployment/concepts.md`. PR [#10062](https://github.com/tiangolo/fastapi/pull/10062) by [@tamtam-fitness](https://github.com/tamtam-fitness).
 * 🌐 Add Japanese translation for `docs/ja/docs/deployment/server-workers.md`. PR [#10064](https://github.com/tiangolo/fastapi/pull/10064) by [@tamtam-fitness](https://github.com/tamtam-fitness).
 * 🌐 Update Japanese translation for `docs/ja/docs/deployment/docker.md`. PR [#10073](https://github.com/tiangolo/fastapi/pull/10073) by [@tamtam-fitness](https://github.com/tamtam-fitness).