Add walltime support for vitest plugin #524

Job	Run time
check	1m 23s
List examples	5s
with-typescript-esm on Node 18	2m 11s
with-javascript-esm on Node 18	1m 57s
with-typescript-simple-esm on Node 18	2m 53s
with-typescript-cjs on Node 18	2m 56s
with-typescript-simple-esm on Node 20.5.1	2m 41s
with-typescript-simple-cjs on Node 18	1m 54s
with-typescript-simple-cjs on Node 20.5.1	3m 12s
with-typescript-cjs on Node 20.5.1	2m 42s
with-javascript-esm on Node 20.5.1	2m 43s
with-typescript-esm on Node 20.5.1	3m 4s
	27m 41s

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