📝 Update release notes

[skip ci]

docs/en/docs/release-notes.md

@@ -19,6 +19,7 @@ hide:
 
 ### Translations
 
+* 🌐 Add Korean translation for `docs/ko/docs/advanced/websockets.md`. PR [#12991](https://github.com/fastapi/fastapi/pull/12991) by [@kwang1215](https://github.com/kwang1215).
 * 🌐 Add Portuguese translation for `docs/pt/docs/tutorial/response-model.md`. PR [#12933](https://github.com/fastapi/fastapi/pull/12933) by [@AndreBBM](https://github.com/AndreBBM).
 * 🌐 Add Korean translation for `docs/ko/docs/advanced/middlewares.md`. PR [#12753](https://github.com/fastapi/fastapi/pull/12753) by [@nahyunkeem](https://github.com/nahyunkeem).
 * 🌐 Add Korean translation for `docs/ko/docs/advanced/openapi-webhooks.md`. PR [#12752](https://github.com/fastapi/fastapi/pull/12752) by [@saeye](https://github.com/saeye).