trunner: add support for pytest #3567

Job	Run time
call-ci / build (armv7a7-imx6ull-evk)	1m 1s
call-ci / build (armv7a9-zynq7000-qemu)	1m 2s
call-ci / build (armv7a9-zynq7000-zedboard)	56s
call-ci / build (armv7a9-zynq7000-zturn)	57s
call-ci / build (armv7m4-stm32l4x6-nucleo)	1m 1s
call-ci / build (armv7m7-imxrt105x-evk)	1m 2s
call-ci / build (armv7m7-imxrt106x-evk)	1m 3s
call-ci / build (armv7m7-imxrt117x-evk)	1m 2s
call-ci / build (armv8r52-mps3an536-qemu)	36s
call-ci / build (armv8m33-mcxn94x-frdm)	49s
call-ci / build (host-generic-pc)	58s
call-ci / build (ia32-generic-pc)	45s
call-ci / build (ia32-generic-qemu)	45s
call-ci / build (riscv64-generic-qemu)	44s
call-ci / build (riscv64-generic-spike)	33s
call-ci / build (sparcv8leon3-gr712rc-board)	26s
call-ci / build (sparcv8leon3-gr716-mimas)	18s
call-ci / build (sparcv8leon3-gr716-mini)	25s
call-ci / test EMU	1s
call-ci / test HW	1s
call-ci / send-notification	1s
call-ci / tests-summary	1s
	14m 27s

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