chore(deps): Bump actions/setup-node from 3.8.1 to 4.0.0 #588

Job	Run time
TypeScript unit tests (actions/issue-reopener)	19s
unit tests (1.20.x, ubuntu-latest)	32s
actionlint	4s
unit tests (1.20.x, macos-latest)	32s
unit tests (1.20.x, windows-latest)	1m 40s
autogen	5s
check-dist-matrix (./actions/issue-reopener)	27s
eslint	18s
markdownlint	6s
golangci-lint	20s
yamllint	6s
issue-reopener-basic	12s
issue-reopener-dry-run	6s
issue-reopener-subdir	7s
issue-reopener-dry-run-cleanup	1s
issue-reopener-subdir-cleanup	3s
ts-tests	1s
issue-reopener-basic-cleanup	3s
check-dist	2s
	5m 4s

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