📝 Update release notes

[skip ci]

Author: github-actions[bot]

docs/en/docs/release-notes.md

@@ -11,6 +11,10 @@ hide:
 
 * 📝 Fix grammar in `docs/en/docs/tutorial/first-steps.md`. PR [#14708](https://github.com/fastapi/fastapi/pull/14708) by [@SanjanaS10](https://github.com/SanjanaS10).
 
+### Internal
+
+* ♻️ Update build setup for `fastapi-slim`, deprecate it, and make it only depend on `fastapi`. PR [#14894](https://github.com/fastapi/fastapi/pull/14894) by [@tiangolo](https://github.com/tiangolo).
+
 ## 0.128.7
 
 ### Features