📝 Update release notes

docs/en/docs/release-notes.md

@@ -2,6 +2,7 @@
 
 ## Latest Changes
 
+* 🔧 Add sponsor Platform.sh. PR [#9650](https://github.com/tiangolo/fastapi/pull/9650) by [@tiangolo](https://github.com/tiangolo).
 * 🌐 Fix spelling in Indonesian translation of `docs/id/docs/tutorial/index.md`. PR [#5635](https://github.com/tiangolo/fastapi/pull/5635) by [@purwowd](https://github.com/purwowd).
 * 🌐 Add Russian translation for `docs/ru/docs/tutorial/index.md`. PR [#5896](https://github.com/tiangolo/fastapi/pull/5896) by [@Wilidon](https://github.com/Wilidon).
 * 🌐 Add Chinese translations for `docs/zh/docs/advanced/response-change-status-code.md` and `docs/zh/docs/advanced/response-headers.md`. PR [#9544](https://github.com/tiangolo/fastapi/pull/9544) by [@ChoyeonChern](https://github.com/ChoyeonChern).