Merge pull request #452 from scala-steward/update/scalatest-3.2.6

Author: cquiroz

project/Build.scala

@@ -11,7 +11,7 @@ object Versions {
   val ScalaCross =
     Seq("2.11.12", "2.12.11", "2.13.3")
 
-  val ScalaTest = "3.2.5"
+  val ScalaTest = "3.2.6"
   val ScalaCheck = "1.15.2"
 }