📝 Update release notes

docs/en/docs/release-notes.md

@@ -26,6 +26,7 @@ hide:
 
 ### Translations
 
+* 🌐 Add German translation for `docs/de/docs/tutorial/background-tasks.md`. PR [#10566](https://github.com/tiangolo/fastapi/pull/10566) by [@nilslindemann](https://github.com/nilslindemann).
 * ✏️ Fix typo in `docs/ru/docs/index.md`. PR [#10672](https://github.com/tiangolo/fastapi/pull/10672) by [@Delitel-WEB](https://github.com/Delitel-WEB).
 * ✏️ Fix typos in `docs/zh/docs/tutorial/extra-data-types.md`. PR [#10727](https://github.com/tiangolo/fastapi/pull/10727) by [@HiemalBeryl](https://github.com/HiemalBeryl).
 * 🌐 Add Russian translation for `docs/ru/docs/tutorial/dependencies/classes-as-dependencies.md`. PR [#10410](https://github.com/tiangolo/fastapi/pull/10410) by [@AlertRED](https://github.com/AlertRED).