tools/syz-linter: suggest any instead of interface{} #18462

Job	Run time
old	6m 59s
dashboard	2m 3s
aux	5m 0s
build	4m 4s
gvisor	4m 1s
race	7m 6s
arch (presubmit_arch_windows)	3m 35s
arch (presubmit_arch_freebsd)	6m 29s
arch (presubmit_arch_linux)	10m 52s
race_dashboard	3m 49s
arch (presubmit_arch_openbsd)	3m 48s
arch (presubmit_arch_netbsd)	3m 27s
arch (presubmit_arch_executor)	2m 55s
arch (presubmit_arch_darwin)	3m 48s
	1h 7m 56s

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