The Chamberlain Group — owners of the MyQ smart garage door controller tech — has announced it’s shut off all “unauthorized access” to its APIs. The move breaks the smart home integrations of thousands of users who relied on platforms such as Homebridge and Home Assistant to do things like shut the garage door when they lock their front door or flash a light if they leave their door open for 10 minutes, or whatever other control or automation they wanted to do with the device they…