Update scala-library to 2.13.13 (#61)

Author: lunatech-ops

build.sbt

@@ -6,7 +6,7 @@ Global / onChangedBuildSource := ReloadOnSourceChanges
 
 lazy val root = (project in file(".")).enablePlugins(PlayScala)
 
-scalaVersion := "2.13.12"
+scalaVersion := "2.13.13"
 
 libraryDependencies ++= Seq(
   guice, ws,