Update sbt to 1.9.8 #2001

Job	Run time
build (2_12, mima)	1m 27s
build (2_12, e2e)	4s
conformance	1m 56s
build (2_12, test)	10m 55s
build (2_13, mima)	1m 28s
build (2_13, e2e)	11s
build (2_13, test)	11m 37s
build (3, mima)	9s
build (3, e2e)	9s
build (3, test)	10m 49s
build (2_12, examples_and_formatting)	3m 4s
build (2_13, scala3_compat_test)	5m 9s
build (3, scala3_compat_test)	6m 52s
ci-passed	1s
	53m 51s

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