Add Zephyr native_sim tests #17577

Job	Run time
scheduler	2m 9s
mpy-cross-mac	41s
windows-zephyr (windows-2025)	13m 47s
windows-zephyr (windows-2022)	11m 32s
tests / zephyr	6m 17s
windows	3m 55s
tests / run (native_mpy)	39s
mpy-cross / build (static-mingw)	49s
tests / run (all)	1m 8s
docs	14m 29s
tests / run (native)	47s
mpy-cross / build (static-aarch64)	48s
tests / run (mpy)	40s
mpy-cross / build (static-raspbian)	46s
mpy-cross / build (static)	22s
ports	-1s
	58m 48s

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