Start migrating to protobuf board configs #3628

Job	Run time
call-node-workflow / build	37s
build (ARCController)	2m 35s
build (Blank)	2m 27s
build (Pico)	2m 24s
build (PicoW)	2m 33s
build (BentoBox)	2m 26s
build (ergoSHIFTRev2)	2m 12s
build (FightboardV3)	2m 19s
build (FightboardV3Mirrored)	2m 16s
build (FlatboxRev4)	2m 50s
build (FlatboxRev5)	2m 27s
build (FlatboxRev5RGB)	2m 33s
build (FlatboxRev5USBPassthrough)	2m 17s
build (FlatboxRev5Southpaw)	2m 30s
build (Granola)	2m 34s
build (KB2040)	2m 34s
build (KeyboardConverter)	2m 18s
build (Haute42COSMOX)	2m 16s
build (Liatris)	2m 26s
build (MavercadeRev1)	2m 18s
build (MavercadeRev2)	2m 14s
build (MiSTercadeV2)	2m 25s
build (OpenCore0)	2m 27s
build (OpenCore0WASD)	2m 17s
build (OSUMGP-RP2040)	2m 13s
build (PicoAnn)	2m 25s
build (PicoFightingBoard)	2m 33s
build (PXPGamepad)	2m 16s
build (RanaTadpole)	2m 22s
build (ReflexCtrlGenesis6)	2m 13s
build (ReflexCtrlNES)	2m 12s
build (ReflexCtrlSaturn)	2m 15s
build (ReflexCtrlSNES)	2m 11s
build (ReflexCtrlVB)	2m 18s
build (ReflexEncodeV1.2)	2m 17s
build (ReflexEncodeV2.0)	2m 11s
build (RP2040AdvancedBreakoutBoard)	2m 15s
build (RP2040AdvancedBreakoutBoardUSBPassthrough)	2m 35s
build (RP2040MiniBreakoutBoard)	2m 16s
build (SparkFunProMicro)	2m 24s
build (WaveshareZero)	2m 11s
build (Stress)	2m 15s
build (SGFDevices)	2m 14s
build (ZeroRhythm)	2m 26s
	1h 42m 17s

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