build

build: don't mark build fail when coverage fails #3280

Job	Run time
cross (armhf)	51s
cross (ppc64le)	50s
fallback shared libraries	1m 22s
cross (s390x)	44s
default (gcc, release)	50s
default (clang, debug)	46s
muon minimal static	33s
default (clang, release)	58s
default (gcc, debug)	45s
build libnvme and nvme-cli separately	37s
make static	41s
	8m 57s

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