Are you using a phone from 2017 or earlier? If not, you have nothing to worry about. If so, I’m surprised it still works.
The article topic only affects phones with Android Nougat and earlier. If you’re on Oreo or later (8.0+), you’re fine. This has nothing to do with the car and everything to do with the phone doing the screen projection.
It’s the same kind of deprecation you get with apps requiring a newer Android version. If Google adds new features to Android Auto that Android Nougat (7.x) can’t handle, then your apps won’t have any better time either. Likewise, if Google updates Android Auto but an app stops supporting 7.x and earlier, then that app will certainly break down the road.