📝 Update release notes

docs/en/docs/release-notes.md

@@ -2,6 +2,7 @@
 
 ## Latest Changes
 
+* ✨ Add support for Trio via AnyIO. PR [#3372](https://github.com/tiangolo/fastapi/pull/3372) by [@graingert](https://github.com/graingert).
 * 🔧 Lint only in Python 3.7 and above. PR [#4006](https://github.com/tiangolo/fastapi/pull/4006) by [@tiangolo](https://github.com/tiangolo).
 * 🔧 Add GitHub Action notify-translations config for Azerbaijani. PR [#3995](https://github.com/tiangolo/fastapi/pull/3995) by [@tiangolo](https://github.com/tiangolo).
 * 🌐 Initialize Azerbaijani translations. PR [#3941](https://github.com/tiangolo/fastapi/pull/3941) by [@madatbay](https://github.com/madatbay).