Add Airplane mode Button

[JohnAZoidberg]

Separate PR because

• we can upstream it separately
• it's not required for bringup
• and I can test it on my other QMK keyboards

[JohnAZoidberg]

Works on my Keychron Q1 and Ubuntu 22.04. Doesn't work on Android 13.

[JohnAZoidberg]

Upstream PR at: https://github.com/qmk/qmk_firmware/pull/19490