Update dependency sbt/sbt to v1.12.6 #2070

Job	Run time
Docker CLI tests (ubuntu-latest)	5m 10s
bazel_aspect	3m 19s
check	5m 2s
Tests (ubuntu-latest, 21)	7m 52s
Tests (ubuntu-latest, 8)	14m 49s
Tests (ubuntu-latest, 17)	12m 38s
Maven tests (21)	2m 51s
Maven tests (17)	2m 48s
Tests (ubuntu-latest, 11)	17m 2s
Maven tests (11)	2m 42s
bazel	1m 26s
Maven tests (8)	2m 58s
	1h 18m 37s

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