Update docker-for-mac/release-notes.md
Update docker-for-mac/release-notes.md

Co-authored-by: Stefan Scherer <c4a78f471cbb65d3c8ad267a930132b89ad6d2ce@docker.com>
thaJeztah/docker.github.io,docker/docker.github.io,docker/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,docker/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io