Update scala-library to 2.13.18

Author: scala-steward

build.sbt

@@ -12,7 +12,7 @@ organizationHomepage := Some(url("https://evolution.com"))
 
 scalaVersion := crossScalaVersions.value.head
 
-crossScalaVersions := Seq("2.13.5", "2.12.13")
+crossScalaVersions := Seq("2.13.18", "2.12.13")
 
 Compile / doc / scalacOptions ++= Seq("-groups", "-implicits", "-no-link-warnings")