support Scala 3.0.0-RC1 (drop 3.0.0-M2) (#159)

Author: SethTisue

.travis.yml

@@ -6,8 +6,8 @@ language: scala
 
 scala:
   - 2.13.4
-  - 3.0.0-M2
   - 3.0.0-M3
+  - 3.0.0-RC1
 
 env:
   - ADOPTOPENJDK=8

build.sbt

@@ -34,7 +34,7 @@ lazy val junit = project.in(file("junit"))
 lazy val scalacheck = project.in(file("scalacheck"))
   .settings(commonSettings)
   .settings(
-    libraryDependencies += "org.scalacheck" %% "scalacheck" % "1.15.2",
+    libraryDependencies += "org.scalacheck" %% "scalacheck" % "1.15.3",
     Test / fork := true,
     Test / testOptions += Tests.Argument(TestFrameworks.ScalaCheck, "-workers", "1", "-minSize", "0", "-maxSize", "4000", "-minSuccessfulTests", "5"),
     publish / skip := true