V-USB: Fix `GET_IDLE/SET_IDLE` (#22332)

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

Merge branch 'master' into develop

Clarify PIO define is optional in docs. (#22339)

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

[Keyboard] Add LGBTKL (#22331)

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

RGB/LED matrix use limits size optimisation (#22325)

Add DD mappings for locking switch (#22242)

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

Added gamma values for ST7735 displays (#22313)

Co-authored-by: Pablo Martínez <58857054+elpekenin@users.noreply.github.com>
Co-authored-by: Nick Brassel <nick@tzarc.org>

V-USB: Implement `GET_PROTOCOL` and `SET_PROTOCOL` handling (#22324)

Fix compilation error when led/rgb process limit is zero. (#22328)

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

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

Remove extra led_matrix_indicators_user call (#22329)

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

[Keyboard] Add QK100 (#21782)

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

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

[Keyboard] Add purin (#22306)

Separate 6KRO and NKRO report structs (#22267)

Consolidate some EEPROM Driver configuration (#22321)

Modify split config is_keyboard_master/left checks. (#21875)

* rework split configuration

* Apply suggestions from code review

Co-authored-by: Joel Challis <git@zvecr.com>

* lint

* missed return

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Co-authored-by: Joel Challis <git@zvecr.com>

Add `_flush()` functions to LED drivers (#22308)