Update channel for all YAAP builds

Other Chats:
@yaapcommon - Common Chat
@yaapop5 - OnePlus 5 Series
@yaapop7 - OnePlus 7 Series
@yaapop8 - OnePlus 8T/9R
@yaapop12 - OnePlus 12
@yaapot - OT Chat
@yaapraphael - Redmi K20 Pro/Mi 9T Pro