.github: fix reported #632

Job	Run time
build (stm32f7, chibios, 10)	25m 37s
build (stm32h7, chibios, 10)	23m 47s
build (fmuv2-plane, chibios, 10)	10m 54s
build (periph-build, chibios, 10)	34m 12s
build (iofirmware, chibios, 10)	2m 50s
build (CubeOrange-bootloader, chibios, 10)	1m 31s
build (fmuv3-bootloader, chibios, 10)	1m 27s
build (revo-bootloader, chibios, 10)	1m 15s
build (stm32h7-debug, chibios, 10)	10m 17s
build (fmuv3, chibios, 10)	24m 11s
build (revo-mini, chibios, 10)	19m 50s
build (MatekF405-Wing, chibios, 10)	15m 21s
build (CubeOrange-ODID, chibios, 10)	11m 8s
build (CubeRedPrimary-bootloader, chibios, 10)	1m 35s
build (configure-all, chibios, 10)	11m 2s
build (build-options-defaults-test, chibios, 10)	27m 13s
build (signing, chibios, 10)	12m 37s
	3h 54m 47s

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