📝 Update release notes

docs/en/docs/release-notes.md

@@ -2,6 +2,7 @@
 
 ## Latest Changes
 
+* 🌐 Add Russian translation for `docs/ru/docs/tutorial/background-tasks.md`. PR [#4854](https://github.com/tiangolo/fastapi/pull/4854) by [@AdmiralDesu](https://github.com/AdmiralDesu).
 * 🌐 Add Chinese translation for `docs/tutorial/security/first-steps.md`. PR [#3841](https://github.com/tiangolo/fastapi/pull/3841) by [@jaystone776](https://github.com/jaystone776).
 * 🌐 Add Japanese translation for `docs/ja/docs/advanced/nosql-databases.md`. PR [#4205](https://github.com/tiangolo/fastapi/pull/4205) by [@sUeharaE4](https://github.com/sUeharaE4).
 * 🌐 Add Indonesian translation for `docs/id/docs/tutorial/index.md`. PR [#4705](https://github.com/tiangolo/fastapi/pull/4705) by [@bas-baskara](https://github.com/bas-baskara).