Add module update channel

Magisk (23017) added support for module update channels.
https://github.com/topjohnwu/magisk-files/blob/canary/notes.md

Magisk commit(s)
topjohnwu/Magisk@bc0c198
topjohnwu/Magisk@97da7f9
topjohnwu/Magisk@bf8b74e

update

init

Initial