pkg/manager: export programs with coverage #15765

Job	Run time
aux	3m 55s
arch (presubmit_arch_linux)	10m 17s
build	4m 51s
arch (presubmit_arch_freebsd)	6m 29s
dashboard	2m 53s
arch (presubmit_arch_netbsd)	3m 47s
gvisor	3m 22s
arch (presubmit_arch_openbsd)	3m 42s
arch (presubmit_arch_darwin)	3m 32s
old	6m 53s
arch (presubmit_arch_windows)	3m 33s
arch (presubmit_arch_executor)	3m 16s
race	9m 48s
race_dashboard	4m 6s
	1h 10m 24s

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