update Scala to 2.13.18

Author: mr-git

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         scala:
-          - 2.13.16
+          - 2.13.18
           - 3.3.7
 
     steps:

build.sbt

@@ -8,7 +8,7 @@ organizationHomepage := Some(url("https://evolution.com"))
 homepage := Some(url("https://github.com/evolution-gaming/resource-pool"))
 startYear := Some(2023)
 
-crossScalaVersions := Seq("2.13.16", "3.3.7")
+crossScalaVersions := Seq("2.13.18", "3.3.7")
 scalaVersion := crossScalaVersions.value.head
 scalacOptions := crossSettings(
   scalaVersion = scalaVersion.value,