📝 Update release notes

[skip ci]

Author: github-actions[bot]

docs/release-notes.md

@@ -2,6 +2,10 @@
 
 ## Latest Changes
 
+### Upgrades
+
+* ⬆️ Add support for Python 3.14. PR [#387](https://github.com/fastapi/asyncer/pull/387) by [@svlandeg](https://github.com/svlandeg).
+
 ### Internal
 
 * ⬆ Bump astral-sh/setup-uv from 6 to 7. PR [#386](https://github.com/fastapi/asyncer/pull/386) by [@dependabot[bot]](https://github.com/apps/dependabot).