📝 Update release notes

[skip ci]

docs/en/docs/release-notes.md

@@ -13,6 +13,10 @@ hide:
 * 🌐 Update `llm-prompt.md` for Hindi. PR [#15810](https://github.com/fastapi/fastapi/pull/15810) by [@YuriiMotov](https://github.com/YuriiMotov).
 * 🌐 Fix language-specific translation prompt for Russian language. PR [#15924](https://github.com/fastapi/fastapi/pull/15924) by [@YuriiMotov](https://github.com/YuriiMotov).
 
+### Internal
+
+* ⬆️ Update latest-changes to 0.6.1. PR [#15926](https://github.com/fastapi/fastapi/pull/15926) by [@tiangolo](https://github.com/tiangolo).
+
 ## 0.139.0 (2026-07-01)
 
 ### Features