Update scalacheck-1-17 to 3.2.18.0 in 0.12.x (#541)

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

Author: scala-steward

build.sbt

@@ -23,7 +23,7 @@ libraryDependencies ++= Seq(
   "com.thesamet.scalapb" %% "scalapb-runtime" % scalapbVersion,
   "com.thesamet.scalapb" %% "scalapb-runtime" % scalapbVersion % "protobuf,test",
   "org.scalatest" %% "scalatest" % "3.2.19" % "test",
-  "org.scalatestplus" %% "scalacheck-1-17" % "3.2.17.0" % "test",
+  "org.scalatestplus" %% "scalacheck-1-17" % "3.2.18.0" % "test",
   "com.google.protobuf" % "protobuf-java-util" % protobufJava.revision % "test",
   protobufJava % "protobuf",
   "org.json4s" %% "json4s-jackson-core" % "4.0.7"