📝 Update release notes

[skip ci]

docs/en/docs/release-notes.md

@@ -13,6 +13,7 @@ hide:
 
 ### Docs
 
+* 📝 Use `WSGIMiddleware` from `a2wsgi` instead of deprecated `fastapi.middleware.wsgi.WSGIMiddleware`. PR [#14756](https://github.com/fastapi/fastapi/pull/14756) by [@YuriiMotov](https://github.com/YuriiMotov).
 * 📝 Fix minor typos in release notes. PR [#14780](https://github.com/fastapi/fastapi/pull/14780) by [@whyvineet](https://github.com/whyvineet).
 * 🐛 Fix copy button in custom.js. PR [#14722](https://github.com/fastapi/fastapi/pull/14722) by [@fcharrier](https://github.com/fcharrier).
 * 📝 Add contribution instructions about LLM generated code and comments and automated tools for PRs. PR [#14706](https://github.com/fastapi/fastapi/pull/14706) by [@tiangolo](https://github.com/tiangolo).