Update sbt, scripted-plugin to 1.12.6#459

scala-steward wants to merge 1 commit intoThoughtWorksInc:masterThoughtWorksInc/sbt-best-practice:masterfrom

scala-steward:update/sbt-1.12.6scala-steward/sbt-best-practice:update/sbt-1.12.6Copy head branch name to clipboard