Update scala-library from 2.13.5 to 2.13.6 (#561)

Co-authored-by: Jakub Janeček <[email protected]>

Author: scala-steward

project/BuildSettings.scala

@@ -27,7 +27,7 @@ object BuildSettings {
     description := "Functional programming toolkit for building server applications in Scala.",
     licenses := Seq("MIT" -> url("https://raw.githubusercontent.com/avast/scala-server-toolkit/master/LICENSE")),
     developers := List(Developer("jakubjanecek", "Jakub Janecek", "[email protected]", url("https://www.avast.com"))),
-    scalaVersion := "2.13.5",
+    scalaVersion := "2.13.6",
     crossScalaVersions := List(scalaVersion.value, "2.12.14"),
     fork := true,
     libraryDependencies ++= Seq(