Bump actions/setup-java from 3 to 4 #1974

Job	Run time
conformance	1m 31s
build (2_12, mima)	1m 10s
build (2_12, e2e)	7s
build (2_12, test)	11m 2s
build (2_13, mima)	1m 12s
build (2_13, e2e)	8s
build (2_13, test)	11m 20s
build (3, mima)	8s
build (3, e2e)	8s
build (3, test)	10m 43s
build (2_12, examples_and_formatting)	2m 33s
build (2_13, scala3_compat_test)	7m 56s
build (3, scala3_compat_test)	8m 51s
ci-passed	1s
	56m 50s

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