bump scala to scala3 #3998

Job	Run time
scala-ci (macos_latest, macos-latest, 21, true, false, latest-edge)	11m 8s
scala-ci (ubuntu_latest, ubuntu-latest, 17, true, true, latest)	20m 27s
scala-ci (macos_latest, macos-latest, 17, true, true, latest)	10m 5s
scala-ci (ubuntu_latest, ubuntu-latest, 11, true, false, 22.04.5)	19m 10s
scala-ci (ubuntu_latest, ubuntu-latest, 21, true, false, latest-edge)	19m 58s
scala-ci (macos_latest, macos-latest, 11, true, false, 22.04.5)	10m 49s
	1h 31m 37s

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