Help needed for beta testing

[Yeager (Peter Vos)]

Automated building and releasing Plugins on Github with Github Actions

Update 7: update the workflow actions to use the latest Rack-SDK version for Mac builds, see also this post. Update 6: update the workflow actions to use Toolchain Docker image version 10, see also this post. Update 5: update the workflow actions, added Mac ARM64 cross compile build job Update 4: update the workflow actions to latest toolchain image version 6 changes. Update 3: update the workflow actions to more recent versions (see also this post), update toolchain image version. Upd…