Update scala-collection-compat to 2.13.0

Author: scala-steward

build.sbt

@@ -25,7 +25,7 @@ inThisBuild(
 
 lazy val versions = new {
   val armeria = "1.17.0"
-  val collectionCompat = "2.7.0"
+  val collectionCompat = "2.13.0"
   val munit = "1.0.1"
   val reactor = "0.8.0"
   val reactorGrpc = "1.2.3"