Update sbt, scripted-plugin to 1.9.9 (#362) #450

Job	Run time
build (ubuntu-latest)	1m 2s
scripted (ubuntu-latest, 1.2.8)	7m 37s
build (macos-latest)	1m 2s
scripted (ubuntu-latest, 1.3.13)	6m 26s
build (windows-latest)	37s
scripted (ubuntu-latest, project)	1m 5s
scripted (macos-latest, 1.2.8)	11m 17s
scripted (macos-latest, 1.3.13)	11m 43s
scripted (macos-latest, project)	8m 46s
scripted (windows-latest, 1.2.8)	10m 14s
scripted (windows-latest, 1.3.13)	8m 33s
scripted (windows-latest, project)	8m 24s
ci-passed	0s
	1h 16m 46s

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