Update scala-library to 2.12.21 in series/0.10#1235

http4s-steward[bot] wants to merge 1 commit intoseries/0.10http4s/http4s-jdk-http-client:series/0.10from

update/series/0.10/scala-library-2.12.21http4s/http4s-jdk-http-client:update/series/0.10/scala-library-2.12.21Copy head branch name to clipboard