build

docs: Fix read-the-docs #3586

Job	Run time
make static	38s
cross (s390x)	50s
build libnvme and nvme-cli separately	43s
cross (ppc64le)	48s
nvme-cli (clang, debug)	46s
libnvme (gcc, debug)	43s
libnvme (gcc, release)	48s
nvme-cli (gcc, debug)	49s
cross (armhf)	49s
libnvme (clang, release)	43s
muon minimal static	37s
libnvme (clang, debug)	39s
nvme-cli (gcc, release)	58s
nvme-cli (clang, release)	53s
fallback shared libraries	0s
	10m 44s

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