Revert scala to 2.13.1

Author: kpbochenek

project/Dependencies.scala

@@ -3,7 +3,7 @@ import sbt._
 object Version {
   val logback   = "1.2.3"
   val mockito   = "1.5.18"
-  val scala     = "2.13.3"
+  val scala     = "2.13.1"
   val crossScala = List(scala, "2.11.12", "2.12.12")
   val scalaTest = "3.2.1"
   val slf4j     = "1.7.30"