Update scala-compiler, scala-library, ... to 2.13.16

Author: scala-steward

project/Dependencies.scala

@@ -4,7 +4,7 @@ import sbt.contraband.ContrabandPlugin.autoImport._
 
 object Dependencies {
   val scala212 = "2.12.20"
-  val scala213 = "2.13.15"
+  val scala213 = "2.13.16"
 
   def nightlyVersion: Option[String] =
     sys.env.get("BUILD_VERSION") orElse sys.props.get("sbt.build.version")