Merge pull request #29 from scala-steward/update/scala-library-2.13.6

Update scala-library to 2.13.6

Author: balhoff

build.sbt

@@ -8,7 +8,7 @@ version := "1.1"
 
 licenses := Seq("MIT license" -> url("https://opensource.org/licenses/MIT"))
 
-scalaVersion := "2.13.5"
+scalaVersion := "2.13.6"
 
 scalacOptions := Seq("-unchecked", "-deprecation", "-encoding", "utf8")