Update sbt, scripted-plugin to 1.12.3#120

scala-steward wants to merge 1 commit intosweet-delights:mastersweet-delights/delightful-typeclasses:masterfrom

scala-steward:update/sbt-1.12.3scala-steward/delightful-typeclasses:update/sbt-1.12.3Copy head branch name to clipboard