Update sbt, scripted-plugin to 1.12.6#196

scala-steward wants to merge 1 commit intoThoughtWorksInc:3.0.xThoughtWorksInc/sbt-api-mappings:3.0.xfrom

scala-steward:update/sbt-1.12.6scala-steward/sbt-api-mappings:update/sbt-1.12.6Copy head branch name to clipboard