📝 Update release notes

[skip ci]

docs/en/docs/release-notes.md

@@ -15,6 +15,7 @@ hide:
 
 ### Translations
 
+* 🌐 Add Korean translation for `docs/ko/docs/advanced/templates.md`. PR [#12726](https://github.com/fastapi/fastapi/pull/12726) by [@Heumhub](https://github.com/Heumhub).
 * 🌐 Add Russian translation for `docs/ru/docs/fastapi-cli.md`. PR [#13041](https://github.com/fastapi/fastapi/pull/13041) by [@alv2017](https://github.com/alv2017).
 * 🌐 Add Korean translation for `docs/ko/docs/tutorial/cookie-param-models.md`. PR [#13000](https://github.com/fastapi/fastapi/pull/13000) by [@hard-coders](https://github.com/hard-coders).
 * 🌐 Add Korean translation for `docs/ko/docs/tutorial/header-param-models.md`. PR [#13001](https://github.com/fastapi/fastapi/pull/13001) by [@hard-coders](https://github.com/hard-coders).