📝 Update release notes

docs/en/docs/release-notes.md

@@ -16,6 +16,7 @@ hide:
 
 ### Translations
 
+* 🌐 Add German translation for `docs/de/docs/how-to/extending-openapi.md`. PR [#10794](https://github.com/tiangolo/fastapi/pull/10794) by [@nilslindemann](https://github.com/nilslindemann).
 * 🌐 Update Chinese translation for `docs/zh/docs/tutorial/metadata.md`. PR [#11286](https://github.com/tiangolo/fastapi/pull/11286) by [@jackleeio](https://github.com/jackleeio).
 * 🌐 Update Chinese translation for `docs/zh/docs/contributing.md`. PR [#10887](https://github.com/tiangolo/fastapi/pull/10887) by [@Aruelius](https://github.com/Aruelius).
 * 🌐 Add Azerbaijani translation for `docs/az/docs/fastapi-people.md`. PR [#11195](https://github.com/tiangolo/fastapi/pull/11195) by [@vusallyv](https://github.com/vusallyv).