Update sbt to 1.9.6 #425

Job	Run time
scripted (ubuntu-latest, 1.2.8)	10m 58s
scripted (ubuntu-latest, 1.3.13)	9m 1s
build (ubuntu-latest)	5m 14s
scripted (ubuntu-latest, project)	10m 27s
build (macos-latest)	7m 33s
scripted (macos-latest, 1.2.8)	13m 45s
build (windows-latest)	7m 58s
scripted (macos-latest, 1.3.13)	11m 43s
scripted (macos-latest, project)	9m 28s
scripted (windows-latest, 1.2.8)	14m 23s
scripted (windows-latest, 1.3.13)	11m 26s
scripted (windows-latest, project)	12m 14s
ci-passed	7s
	2h 4m 17s

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