Add walltime support for vitest plugin #523

Job	Run time
check	2m 6s
List examples	3s
with-javascript-esm on Node 20.5.1	2m 32s
with-typescript-cjs on Node 18	3m 0s
with-javascript-esm on Node 18	2m 36s
with-typescript-esm on Node 18	3m 2s
with-typescript-simple-cjs on Node 18	2m 53s
with-typescript-simple-esm on Node 18	2m 51s
with-typescript-cjs on Node 20.5.1	2m 44s
with-typescript-simple-esm on Node 20.5.1	2m 48s
with-typescript-simple-cjs on Node 20.5.1	1m 57s
with-typescript-esm on Node 20.5.1	2m 55s
	29m 27s

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