Bumped up release version to 1.0.0-SNAP6, and adjusted README.md.

Author: cheeseng

README.md

@@ -10,8 +10,10 @@ $ export SCALAJS_VERSION=0.6.27
 $ sbt clean scalatestPlusScalaCheckJS/publishSigned scalatestPlusScalaCheckJVM/publishSigned scalatestPlusScalaCheckNative/publishSigned
 $ sbt ++2.10.7 clean scalatestPlusScalaCheckJS/publishSigned scalatestPlusScalaCheckJVM/publishSigned
 $ sbt ++2.11.12 clean scalatestPlusScalaCheckJS/publishSigned scalatestPlusScalaCheckJVM/publishSigned
-$ sbt ++2.13.0-RC1 clean scalatestPlusScalaCheckJS/publishSigned scalatestPlusScalaCheckJVM/publishSigned
-$ export SCALAJS_VERSION=1.0.0-M7
+$ sbt ++2.13.0-RC2 clean scalatestPlusScalaCheckJS/publishSigned scalatestPlusScalaCheckJVM/publishSigned
+$ export SCALAJS_VERSION=1.0.0-M3
 $ sbt ++2.11.12 "project scalatestPlusScalaCheckJS" clean publishSigned
 $ sbt ++2.12.6 "project scalatestPlusScalaCheckJS" clean publishSigned
+$ export SCALAJS_VERSION=1.0.0-M7
+$ sbt ++2.13.0-RC2 "project scalatestPlusScalaCheckJS" clean publishSigned
 ```

build.sbt

@@ -4,7 +4,7 @@ import scalanative.sbtplugin.ScalaNativePluginInternal.NativeTest
 val sharedSettings = Seq(
   name := "scalatestplus-scalacheck",
   organization := "org.scalatestplus",
-  version := "1.0.0-SNAP5",
+  version := "1.0.0-SNAP6",
   homepage := Some(url("https://github.com/scalatest/scalatestplus-scalacheck")),
   licenses := List("Apache-2.0" -> url("http://www.apache.org/licenses/LICENSE-2.0")),
   developers := List(