Update scala-library, scala-reflect to 2.12.20#538

TimvdLippe merged 1 commit intomockito:release/1.xmockito/mockito-scala:release/1.xfrom

scala-steward:update/scala-library-2.12.20scala-steward/mockito-scala:update/scala-library-2.12.20Copy head branch name to clipboard