Update dependency scala to v2.13.13

build.sbt

@@ -3,7 +3,7 @@ lazy val root = (project in file(".")).
     organization := "io.swagger",
     name := "swagger-java-client",
     version := "1.0.0",
-    scalaVersion := "2.13.12",
+    scalaVersion := "2.13.13",
     scalacOptions ++= Seq("-feature"),
     javacOptions in compile ++= Seq("-Xlint:deprecation"),
     publishArtifact in (Compile, packageDoc) := false,