Update scala-collection-compat to 2.14.0 (#982)

Author: scala-steward

build.sbt

@@ -94,7 +94,7 @@ def check(code: String) = {
 
 libraryDependencies ++= Seq(
   "org.scala-lang.modules" %% "scala-xml" % "2.4.0" excludeAll ExclusionRule(organization = "org.scala-lang"),
-  "org.scala-lang.modules" %% "scala-collection-compat" % "2.13.0" excludeAll ExclusionRule(organization =
+  "org.scala-lang.modules" %% "scala-collection-compat" % "2.14.0" excludeAll ExclusionRule(organization =
     "org.scala-lang"
   ),
   "org.scalatest" %% "scalatest"    % "3.2.19"  % "test",