Start migrating to protobuf board configs #3560

Job	Run time
call-node-workflow / build	30s
build (ARCController)	2m 11s
build (Blank)	2m 10s
build (Pico)	2m 12s
build (PicoW)	2m 11s
build (BentoBox)	2m 25s
build (ergoSHIFTRev2)	2m 17s
build (FightboardV3)	2m 9s
build (FightboardV3Mirrored)	2m 11s
build (FlatboxRev4)	2m 43s
build (FlatboxRev5)	2m 11s
build (FlatboxRev5RGB)	2m 12s
build (FlatboxRev5USBPassthrough)	2m 8s
build (FlatboxRev5Southpaw)	2m 25s
build (Granola)	2m 12s
build (KB2040)	2m 41s
build (KeyboardConverter)	2m 11s
build (Haute42COSMOX)	2m 36s
build (Liatris)	2m 22s
build (MavercadeRev1)	2m 27s
build (MavercadeRev2)	2m 25s
build (MiSTercadeV2)	2m 22s
build (OpenCore0)	2m 21s
build (OpenCore0WASD)	2m 26s
build (OSUMGP-RP2040)	2m 9s
build (PicoAnn)	2m 12s
build (PicoFightingBoard)	2m 32s
build (PXPGamepad)	2m 17s
build (RanaTadpole)	2m 39s
build (ReflexCtrlGenesis6)	2m 11s
build (ReflexCtrlNES)	2m 29s
build (ReflexCtrlSaturn)	2m 15s
build (ReflexCtrlSNES)	2m 10s
build (ReflexCtrlVB)	2m 11s
build (ReflexEncodeV1.2)	2m 22s
build (ReflexEncodeV2.0)	2m 15s
build (RP2040AdvancedBreakoutBoard)	2m 10s
build (RP2040AdvancedBreakoutBoardUSBPassthrough)	2m 11s
build (RP2040MiniBreakoutBoard)	2m 15s
build (SparkFunProMicro)	2m 42s
build (WaveshareZero)	2m 9s
build (Stress)	2m 22s
build (SGFDevices)	2m 13s
build (ZeroRhythm)	2m 22s
	1h 40m 4s

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