📝 Update release notes

Author: github-actions

README.md

@@ -965,6 +965,10 @@ You can click the "watch" button at the top right and select "Releases only" to
 * 👷 Update token for latest changes. PR [#326](https://github.com/tiangolo/uwsgi-nginx-flask-docker/pull/326) by [@tiangolo](https://github.com/tiangolo).
 * 👷 Add GitHub Action for Docker Hub description. PR [#313](https://github.com/tiangolo/uwsgi-nginx-flask-docker/pull/313) by [@tiangolo](https://github.com/tiangolo).
 
+#### Features
+
+* ✨ Add support for multiarch builds, including ARM (e.g. Mac M1). PR [#347](https://github.com/tiangolo/uwsgi-nginx-flask-docker/pull/347) by [@tiangolo](https://github.com/tiangolo).
+
 #### Refactors
 
 * 🔥 Remove Alpine support. PR [#345](https://github.com/tiangolo/uwsgi-nginx-flask-docker/pull/345) by [@tiangolo](https://github.com/tiangolo).