Merge remote-tracking branch 'origin/master' into develop

[Keymap] Add mercutio keymap and update readme.md for layouts (#12973)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: Jonavin <=>

Merge remote-tracking branch 'origin/master' into develop

[Keyboard] Add RGB Matrix support for Bear65 PCB (#12961)

Co-authored-by: Drashna Jaelre <drashna@live.com>

Merge remote-tracking branch 'origin/master' into develop

[Keyboard] Adjustments to Gust Rev1.2 (#12716)

Co-authored-by: Eithan Shavit <eithan@afternoonlabs.com>

Merge remote-tracking branch 'origin/master' into develop

[Keyboard] SKErgo (#12923)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

Merge remote-tracking branch 'origin/master' into develop

[Keymap] update gunp layout for Planck (#12926)

Co-authored-by: Ryan <fauxpark@gmail.com>

Add Full-duplex serial driver for ARM boards (#9842)

Merge remote-tracking branch 'origin/master' into develop

Keyboard: Planck THK (#12597)

Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: Jack Humbert <jack.humb@gmail.com>
Co-authored-by: Drashna Jaelre <drashna@live.com>

[Keymap] Update to Drashna keymap and user code (based on develop) (#12936)

Merge remote-tracking branch 'origin/master' into develop

Added RAMA WORKS M50-AX (#12458)

Merge remote-tracking branch 'origin/master' into develop

Use milc.subcommand.config instead of qmk.cli.config (#13002)

* Use milc.subcommand.config instead

* pyformat

* remove the config test

[Keyboard] Corne - Remove legacy revision support (#12226)

Merge remote-tracking branch 'origin/master' into develop