Update scala-library to 2.12.14 (#2150)

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

Author: scala-steward

modules/core/src/test/scala/org/scalasteward/core/update/PruningAlgTest.scala

@@ -187,7 +187,7 @@ class PruningAlgTest extends FunSuite {
       List(
         Scope(
           List(
-            DependencyInfo("org.scala-lang" % "scala-library" % "2.12.13", List("build.sbt")),
+            DependencyInfo("org.scala-lang" % "scala-library" % "2.12.14", List("build.sbt")),
             DependencyInfo("org.scala-lang" % "scala-library" % "2.13.5", List("build.sbt"))
           ),
           List(MavenRepository("public", "https://repo5.org/maven/", None))