Update sbt, scripted-plugin to 1.12.8#591

scala-steward wants to merge 1 commit intoThoughtWorksInc:12.xThoughtWorksInc/Binding.scala:12.xfrom

scala-steward:update/sbt-1.12.8scala-steward/Binding.scala:update/sbt-1.12.8Copy head branch name to clipboard