📝 Update release notes

docs/release-notes.md

@@ -1,5 +1,6 @@
 ## Latest changes
 
+* Add support for async class methods as dependencies [#681](https://github.com/tiangolo/fastapi/pull/681) by [@frankie567](https://github.com/frankie567).
 * Add FastAPI with Swagger UI cheatsheet to external links. PR [#671](https://github.com/tiangolo/fastapi/pull/671) by [@euri10](https://github.com/euri10).
 * Fix typo in HTTP protocol in CORS example. PR [#647](https://github.com/tiangolo/fastapi/pull/647) by [@forestmonster](https://github.com/forestmonster).
 * Add support for Pydantic versions `1.0.0` and above, with temporary (deprecated) backwards compatibility for Pydantic `0.32.2`. PR [#646](https://github.com/tiangolo/fastapi/pull/646) by [@dmontagu](https://github.com/dmontagu).