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

[Keyboard] Sejin EAT-1010R2 keyboard (#19809)

Co-authored-by: Joel Challis <git@zvecr.com>
Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: jack <0x6a73@protonmail.com>

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

[Docs] Discuss layout macro (#19803)

Co-authored-by: jack <0x6a73@protonmail.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

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

[Keyboard] Add gummykey (#19695)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: jack <0x6a73@protonmail.com>

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

keyboards/anavi: Add ANAVI Knobs 3 (#18624)

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

Reject VIA keys within info.json (#20026)

Move matrix config to info.json, part 1 (#19985)

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

Unbreak switchplate/southpaw_65 after #16277 (#20015)

Apparently the changes done in #16277 swapped the values read from the
PCA9555 expanders by mistake, which resulted in mixed up matrix columns.
Fix the chip and register addresses to match the original code.

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

Add Keychron Q12 (#19844)

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

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

Add Support for Lilly58 r2g (#19862)

* Add support for lilly58 r2g by Mechboards

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

Add new keymap for Preonic rev3 (#19706)

Remove some use of keymap.h (#20006)