upgrade specs2-scalacheck
upgrade specs2-scalacheck

specs2 4.3.2 works with scala 2.11, 2.12, 2.13

In addition, upgraded specs2-scalacheck for scala 2.10
to the latest version (3.10.0)

xuwei-k/json4s,json4s/json4s,json4s/json4s,xuwei-k/json4s