syz-ci: upload programs coverage from managers to gcs #15838

Job	Run time
dashboard	2m 54s
arch (presubmit_arch_linux)	10m 14s
aux	3m 56s
arch (presubmit_arch_freebsd)	6m 16s
build	5m 36s
gvisor	3m 23s
arch (presubmit_arch_netbsd)	3m 45s
old	6m 49s
arch (presubmit_arch_openbsd)	3m 38s
race	7m 47s
race_dashboard	3m 41s
arch (presubmit_arch_darwin)	3m 58s
arch (presubmit_arch_windows)	3m 25s
arch (presubmit_arch_executor)	3m 21s
	1h 8m 43s

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