Add missing setup-sbt calls #2365

Job	Run time
build (2_12, e2e)	3m 19s
conformance	1m 39s
build (2_12, test)	11m 0s
build (2_13, e2e)	4m 0s
build (2_13, test)	11m 36s
build (3, e2e)	4m 6s
build (3, test)	9m 13s
build (2_12, examples_and_formatting)	2m 47s
build (2_13, scala3_compat_test)	8m 53s
build (3, scala3_compat_test)	8m 23s
ci-passed	1s
	1h 4m 57s

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