fix: use async setTimeout for sleep #69

Job	Run time
Check typos	4s
Lint Biome	11s
Check npm audit	7s
Lint TypeScript	13s
Build and run (ubuntu-latest, 16.x)	20s
Lint Renovate config	36s
Build and run (ubuntu-latest, 18.x)	11s
Lint Secretlint	15s
Build and run (ubuntu-latest, 20.x)	22s
Test (ubuntu-latest, 16.x)	16s
Build and run (ubuntu-latest, 22.x)	14s
Test (ubuntu-latest, 18.x)	11s
Build and run (windows-latest, 16.x)	54s
Test (ubuntu-latest, 20.x)	11s
Build and run (windows-latest, 18.x)	51s
Test (ubuntu-latest, 22.x)	16s
Build and run (windows-latest, 20.x)	1m 1s
Build and run (windows-latest, 22.x)	33s
Test (windows-latest, 16.x)	58s
Build and run (macos-latest, 16.x)	17s
Test (windows-latest, 18.x)	40s
Build and run (macos-latest, 18.x)	13s
Test (windows-latest, 20.x)	35s
Build and run (macos-latest, 20.x)	13s
Test (windows-latest, 22.x)	44s
Build and run (macos-latest, 22.x)	14s
Test (macos-latest, 16.x)	22s
Test (macos-latest, 18.x)	14s
Test (macos-latest, 20.x)	20s
Test (macos-latest, 22.x)	16s
Test coverage	22s
	12m 14s

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