📝 Update release notes

[skip ci]

Author: github-actions[bot]

docs/release-notes.md

@@ -10,6 +10,7 @@
 
 ### Internal
 
+* 👷 Add `ty` to precommit. PR [#503](https://github.com/fastapi/asyncer/pull/503) by [@svlandeg](https://github.com/svlandeg).
 * 📌 Update internal dependency limits. PR [#506](https://github.com/fastapi/asyncer/pull/506) by [@svlandeg](https://github.com/svlandeg).
 * ⬆ Bump ruff from 0.15.5 to 0.15.6. PR [#508](https://github.com/fastapi/asyncer/pull/508) by [@dependabot[bot]](https://github.com/apps/dependabot).
 * ⬆ Bump dorny/paths-filter from 3 to 4. PR [#507](https://github.com/fastapi/asyncer/pull/507) by [@dependabot[bot]](https://github.com/apps/dependabot).