syz-cluster: fix db-mgmt job problems #16614

Job	Run time
dashboard	2m 13s
aux	4m 13s
build	4m 26s
arch (presubmit_arch_linux)	10m 23s
race_dashboard	4m 18s
arch (presubmit_arch_openbsd)	3m 51s
arch (presubmit_arch_darwin)	3m 47s
arch (presubmit_arch_netbsd)	3m 52s
arch (presubmit_arch_freebsd)	6m 18s
old	6m 51s
arch (presubmit_arch_executor)	3m 21s
arch (presubmit_arch_windows)	3m 42s
race	9m 28s
gvisor	4m 0s
	1h 10m 43s

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