Update scala-library to 2.12.21 in series/1.x#700

sh0hei merged 1 commit intoseries/1.xtypelevel/cats-effect-testing:series/1.xfrom

update/series/1.x/scala-library-2.12.21typelevel/cats-effect-testing:update/series/1.x/scala-library-2.12.21Copy head branch name to clipboard