Update scala-library to 2.12.20 in Atry-patch-1#48

Atry wants to merge 1 commit intoAtry-patch-1Atry/ReactToBindingHtml.scala:Atry-patch-1from

update/Atry-patch-1/scala-library-2.12.20Atry/ReactToBindingHtml.scala:update/Atry-patch-1/scala-library-2.12.20Copy head branch name to clipboard