Update scala-collection-compat to 2.13.0

Author: scala-steward

build.sbt

@@ -108,7 +108,7 @@ lazy val sbtgen = (project in file("sbtgen"))
     crossScalaVersions := Seq(ScalaVersions.scala_3, ScalaVersions.scala_213, ScalaVersions.scala_212),
     scalaVersion := crossScalaVersions.value.head,
     libraryDependencies += "com.github.scopt" %% "scopt" % "4.1.0",
-    libraryDependencies += "org.scala-lang.modules" %% "scala-collection-compat" % "2.12.0",
+    libraryDependencies += "org.scala-lang.modules" %% "scala-collection-compat" % "2.13.0",
     (ThisBuild / libraryDependencies) += "org.scalatest" %% "scalatest" % "3.2.18" % Test,
     scalacOptions ++= Seq(
       s"-Xmacro-settings:product-version=${version.value}",