Merge pull request #41 from scala-steward/update/gatling-test-framewo…

…rk-3.13.1

Update gatling-test-framework to 3.13.1

build.sbt

@@ -6,7 +6,7 @@ scalacOptions := Seq(
   "-encoding", "UTF-8", "-release:8", "-deprecation",
   "-feature", "-unchecked", "-language:implicitConversions", "-language:postfixOps")
 
-val gatlingVersion = "3.12.0"
+val gatlingVersion = "3.13.1"
 libraryDependencies += "io.gatling.highcharts" % "gatling-charts-highcharts" % gatlingVersion % "test,it"
 libraryDependencies += "io.gatling"            % "gatling-test-framework"    % gatlingVersion % "test,it"