syz-cluster: improve the status distribution graph #17610

Job	Run time
race_dashboard	2m 51s
race	9m 34s
build	4m 17s
dashboard	2m 48s
aux	3m 54s
old	7m 10s
arch (presubmit_arch_linux)	10m 8s
arch (presubmit_arch_windows)	3m 36s
arch (presubmit_arch_netbsd)	3m 49s
arch (presubmit_arch_executor)	3m 19s
gvisor	3m 55s
arch (presubmit_arch_darwin)	3m 38s
arch (presubmit_arch_openbsd)	3m 43s
arch (presubmit_arch_freebsd)	6m 12s
	1h 8m 54s

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