Update scala-compiler, scala-library to 2.13.16 (#1801)

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

Author: scala-steward

project/Dependencies.scala

@@ -26,7 +26,7 @@ object Dependencies {
 
   val Scala212 = "2.12.19"
 
-  val Scala213 = "2.13.15"
+  val Scala213 = "2.13.16"
 
   val Scala3 = "3.3.3"