Add release notes to release workflow (#435)
Add release notes to release workflow (#435)

* First attempt

* Add synchronize for testing

* Limit release notes to since latest release

* Update release.yml

* Update release.yml

* Fix ordering issue

* xx

* xx

* Update release.yml

* Remove debugging trigger

* empty commit
flutter/gallery,flutter/gallery,flutter/gallery,flutter/gallery,flutter/gallery,flutter/gallery,flutter/gallery