Update scalafmt-core to 3.8.0 #447

Job	Run time
build (ubuntu-latest)	4m 45s
scripted (ubuntu-latest, 1.2.8)	8m 24s
build (macos-latest)	9m 15s
scripted (ubuntu-latest, 1.3.13)	6m 27s
build (windows-latest)	4m 45s
scripted (ubuntu-latest, project)	6m 6s
scripted (macos-latest, 1.2.8)	12m 33s
scripted (macos-latest, 1.3.13)	12m 51s
scripted (macos-latest, project)	11m 55s
scripted (windows-latest, 1.2.8)	9m 59s
scripted (windows-latest, 1.3.13)	8m 22s
scripted (windows-latest, project)	7m 40s
ci-passed	1s
	1h 43m 3s

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