Build

tests: modernize subprocess calls #4249

Job	Run time
make static	47s
libnvme (debian, gcc, release)	50s
musl libc minimal static build on Debian	28s
musl libc build on Debian	40s
cross (armhf)	37s
cross (s390x)	52s
build libnvme and nvme-cli separately	40s
muon minimal static	34s
windows-msys2-ucrt64	1m 35s
cross (ppc64le)	51s
fallback shared libraries	0s
musl libc build on Alpine	39s
nvme-cli (debian, clang, release)	1m 5s
nvme-cli (debian, clang, debug)	53s
nvme-cli (fedora, clang, release)	48s
nvme-cli (debian, gcc, debug)	55s
nvme-cli (debian, gcc, release)	1m 1s
nvme-cli (fedora, gcc, release)	51s
nvme-cli (fedora, gcc, debug)	48s
nvme-cli (tumbleweed, gcc, debug)	47s
nvme-cli (tumbleweed, clang, debug)	53s
nvme-cli (fedora, clang, debug)	46s
nvme-cli (tumbleweed, clang, release)	59s
nvme-cli (tumbleweed, gcc, release)	1m 13s
	19m 32s

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