Update scala-library to 2.13.18 (#402)

Author: scala-steward

build.sbt

@@ -1,7 +1,7 @@
 import sbtcrossproject.CrossPlugin.autoImport.crossProject
 
 val Scala212 = "2.12.20"
-val Scala213 = "2.13.17"
+val Scala213 = "2.13.18"
 val Scala3 = "3.3.7"
 
 ThisBuild / scalaVersion := Scala212