Add `custom` to list of valid bootloader types in info.json (#16228)

Add missing `BOOTLOADER` for a handful of boards (#16225)

add version.h to gitignore (#16222)

RGB Matrix: Reload from EEPROM (#15923)

Co-authored-by: Sergey Vlasov <sigprof@gmail.com>

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

[Keyboard] Add Xenon keyboard (#15915)

Co-authored-by: Sam Mohr <smores56@users.noreply.github.com>
Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: Joel Challis <git@zvecr.com>

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

[Keymap] add LalitMaganti GMMK Pro Keymap (#16203)

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

Followup to #16220, more test error output. (#16221)

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

Studio Kestra Galatea: add  (#16218)

Standardise error output. (#16220)

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

Bathroom Epiphanies Ghost Squid: add QMK Configurator data (#16212)

ChibiOS: add support for HID Programmable Buttons (#15787)

* ChibiOS: add support for HID Programmable Buttons

Fixes #15596

* Enable SHARED_ENDPOINT when PROGRAMMABLE_BUTTON is enabled

The Programmable Button driver expects the shared EP to be enabled.
So enforce this invariant.

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

[Bug] fix Pachi RGB Rev2 RGB positioning (#16182)

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

[Keymap] Fix OLED font path in default Rhymestone keymap (#16197)

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