While not as popular perhaps, I use a MIMOLite that is quite a super nice garage door opener, with a contact sensor built in as well. I don’t need a separate relay and sensor because it’s all in one.
I know at one time ST worked with these devices similar to your setup, but I much prefer the MIMOLite. Here’s what it looks like in the new app and Hub v2:
Original thread about this kind of set up: