Update scalatest to 3.1.4

Author: gu-scala-steward-public-repos[bot]

project/Dependencies.scala

@@ -2,7 +2,7 @@ import sbt._
 
 object Dependencies {
   val awsVersion: String = "2.46.13"
-  val scalaTest = "org.scalatest" %% "scalatest" % "3.1.1" % "test"
+  val scalaTest = "org.scalatest" %% "scalatest" % "3.1.4" % "test"
 
   val awsDependencies = Seq(
     "software.amazon.awssdk" % "dynamodb" % awsVersion,