Update scala-library to 2.12.18

scala-steward · scala-steward · commit c1aac354e268 · 2023-06-10T17:50:54.000Z
diff --git a/build.sbt b/build.sbt
@@ -16,7 +16,7 @@ inThisBuild(
   )
 )
 
-lazy val scala212 = "2.12.15"
+lazy val scala212 = "2.12.18"
 lazy val scala213 = "2.13.6"
 lazy val scala3   = "3.0.2"
 
