Bump bazelbuild/setup-bazelisk from 2 to 3 #2030

Job	Run time
conformance	1m 35s
build (2_12, mima)	1m 14s
build (2_12, e2e)	6s
build (2_12, test)	10m 4s
build (2_13, mima)	1m 16s
build (2_13, e2e)	10s
build (2_13, test)	11m 21s
build (3, mima)	5s
build (3, e2e)	5s
build (3, test)	9m 14s
build (2_12, examples_and_formatting)	2m 41s
build (2_13, scala3_compat_test)	8m 4s
build (3, scala3_compat_test)	8m 46s
ci-passed	1s
	54m 42s

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