add a BOOTSEL reboot hotkey to the "secret" hotkeys (#403) #1209

Job	Run time
call-node-workflow / build	35s
build (Pico)	4m 0s
build (AlpacaOwO)	2m 45s
build (BentoBox)	3m 18s
build (DURAL)	3m 20s
build (FightboardV3)	2m 55s
build (FightboardV3Mirrored)	3m 8s
build (FlatboxRev4)	2m 59s
build (FlatboxRev5)	2m 42s
build (FlatboxRev5RGB)	3m 23s
build (KB2040)	2m 47s
build (MavercadeKeebfighter)	2m 48s
build (PicoAnn)	2m 49s
build (PicoFightingBoard)	2m 47s
build (ReflexEncoder)	2m 49s
build (RP2040AdvancedBreakoutBoard)	3m 27s
build (RP2040MiniBreakoutBoard)	2m 42s
build (SparkFunProMicro)	3m 12s
build (WaveshareZero)	3m 37s
build (Stress)	2m 43s
	58m 46s

Provide feedback