lint

Enable linters for `enforce-switch-style` & `redundant-test-main-exit` #1368

Job	Run time
project checks / commits, licenses...	1m 8s
other / yaml \| shell	6s
go / linux	1m 50s
go / darwin	2m 3s
go / linux (go canary)	5s
go / freebsd	2m 5s
go / windows	2m 8s
build for / go 1.24	1m 28s
build for / go canary	4s
build for / go 1.25	6m 21s
	17m 18s

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