Update scala-library to 2.12.20#420

xuwei-k merged 1 commit intoscalapb-json:masterscalapb-json/scalapb-playjson:masterfrom

scala-steward-bot:update/scala-library-2.12.20scala-steward-bot/scalapb-playjson:update/scala-library-2.12.20Copy head branch name to clipboard