Add walltime support for vitest plugin #534

Job	Run time
check	2m 10s
List examples	5s
with-typescript-cjs on Node 18	3m 0s
with-typescript-simple-esm on Node 18	5m 30s
with-typescript-esm on Node 18	3m 1s
with-javascript-esm on Node 20.5.1	1m 58s
with-typescript-simple-esm on Node 20.5.1	2m 13s
with-typescript-esm on Node 20.5.1	2m 31s
with-javascript-esm on Node 18	2m 52s
with-typescript-simple-cjs on Node 18	3m 12s
with-typescript-cjs on Node 20.5.1	5m 29s
with-typescript-simple-cjs on Node 20.5.1	2m 45s
	34m 46s

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