Bump actions/setup-node from 3.8.2 to 4.0.0 #472

Job	Run time
Lint/build code	2m 43s
Run tests (16.14.0, ubuntu-latest, bash)	1m 7s
Run tests (16.14.0, macos-latest, bash)	1m 41s
Run tests (16.14.0, windows-latest, cmd)	3m 11s
Run tests (16.x, ubuntu-latest, bash)	48s
Run tests (16.x, macos-latest, bash)	3m 3s
Run tests (16.x, windows-latest, cmd)	2m 17s
Run tests (18.17.0, ubuntu-latest, bash)	45s
Run tests (18.17.0, macos-latest, bash)	1m 4s
Run tests (18.17.0, windows-latest, cmd)	1m 28s
Run tests (18.x, ubuntu-latest, bash)	49s
Run tests (18.x, macos-latest, bash)	1m 3s
Run tests (18.x, windows-latest, cmd)	1m 48s
Run tests (20.5.0, ubuntu-latest, bash)	1m 1s
Run tests (20.5.0, macos-latest, bash)	1m 24s
Run tests (20.5.0, windows-latest, cmd)	2m 14s
Run tests (20.x, ubuntu-latest, bash)	58s
Run tests (20.x, macos-latest, bash)	1m 6s
Run tests (20.x, windows-latest, cmd)	3m 10s
	31m 40s

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