Update scalaz-core to 7.2.31#63

scala-steward wants to merge 1 commit intoThoughtWorksInc:2.0.xThoughtWorksInc/future.scala:2.0.xfrom

scala-steward:update/scalaz-core-7.2.31scala-steward/future.scala:update/scalaz-core-7.2.31Copy head branch name to clipboard