Bump actions/setup-node from 3 to 4 #1961

Job	Run time
conformance	1m 39s
build (2_12, mima)	1m 9s
build (2_12, e2e)	7s
build (2_12, test)	8m 54s
build (2_13, mima)	1m 15s
build (2_13, e2e)	4s
build (2_13, test)	10m 7s
build (3, mima)	8s
build (3, e2e)	4s
build (3, test)	7m 55s
build (2_12, examples_and_formatting)	2m 29s
build (2_13, scala3_compat_test)	9m 6s
build (3, scala3_compat_test)	9m 12s
ci-passed	1s
	52m 10s

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