Build

tests: don't run Python tests in parallel #4236

Job	Run time
muon minimal static	32s
fallback shared libraries	1m 38s
make static	47s
cross (armhf)	40s
libnvme (debian, gcc, release)	58s
musl libc build on Alpine	44s
cross (ppc64le)	43s
cross (s390x)	49s
build libnvme and nvme-cli separately	38s
windows-msys2-ucrt64	1m 47s
musl libc minimal static build on Debian	31s
musl libc build on Debian	34s
nvme-cli (fedora, gcc, release)	56s
nvme-cli (fedora, clang, debug)	45s
nvme-cli (tumbleweed, gcc, release)	1m 14s
nvme-cli (fedora, clang, release)	46s
nvme-cli (fedora, gcc, debug)	44s
nvme-cli (debian, clang, release)	58s
nvme-cli (tumbleweed, gcc, debug)	45s
nvme-cli (tumbleweed, clang, release)	1m 1s
nvme-cli (debian, gcc, debug)	50s
nvme-cli (debian, clang, debug)	54s
nvme-cli (tumbleweed, clang, debug)	52s
nvme-cli (debian, gcc, release)	59s
	21m 5s

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