Build

tests: modernize subprocess calls #4250

Job	Run time
musl libc build on Debian	34s
libnvme (debian, gcc, release)	49s
musl libc minimal static build on Debian	29s
make static	44s
muon minimal static	31s
musl libc build on Alpine	35s
cross (s390x)	46s
build libnvme and nvme-cli separately	37s
cross (ppc64le)	44s
windows-msys2-ucrt64	1m 25s
cross (armhf)	49s
nvme-cli (debian, gcc, debug)	50s
nvme-cli (fedora, gcc, release)	54s
nvme-cli (debian, gcc, release)	56s
nvme-cli (debian, clang, release)	56s
nvme-cli (fedora, clang, debug)	42s
nvme-cli (tumbleweed, gcc, debug)	46s
nvme-cli (tumbleweed, clang, debug)	51s
nvme-cli (tumbleweed, clang, release)	51s
nvme-cli (tumbleweed, gcc, release)	1m 18s
nvme-cli (fedora, clang, release)	45s
nvme-cli (debian, clang, debug)	50s
nvme-cli (fedora, gcc, debug)	43s
fallback shared libraries	0s
	18m 25s

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