Update scalatest to 3.2.18

build.sbt

@@ -10,7 +10,7 @@ lazy val versions = new {
   val scala213 = "2.13.1"
   val scala212 = "2.12.11"
   val shapeless = "2.3.3"
-  val scalatest = "3.2.2"
+  val scalatest = "3.2.18"
   val cats = "2.2.0"
   val catsEffect = "2.2.0"
   val monix = "3.2.2"