Add walltime support for vitest plugin #528

Job	Run time
check	2m 21s
List examples	4s
with-typescript-cjs on Node 18	2m 3s
with-javascript-esm on Node 20.5.1	2m 5s
with-typescript-simple-cjs on Node 20.5.1	2m 50s
with-typescript-simple-esm on Node 20.5.1	2m 11s
with-typescript-esm on Node 18	2m 21s
with-typescript-simple-cjs on Node 18	2m 9s
with-typescript-esm on Node 20.5.1	2m 58s
with-javascript-esm on Node 18	2m 42s
with-typescript-cjs on Node 20.5.1	2m 18s
with-typescript-simple-esm on Node 18	3m 3s
	27m 5s

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