mock-array: fix make verilog

upgrade to later version of scala that works

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>

Author: oharboe

flow/designs/src/mock-array/build.sbt

@@ -3,7 +3,7 @@ import scala.io.Source
 
 organization := "edu.berkeley.cs"
 
-scalaVersion := "2.13.10"
+scalaVersion := "2.13.11"
 
 scalacOptions ++= Seq("-deprecation", "-feature", "-unchecked", "-language:reflectiveCalls")