Update scala-library, scala-reflect to 2.13.12

Author: typelevel-steward[bot]

build.sbt

@@ -15,7 +15,7 @@ val GraalVM = JavaSpec.graalvm("17")
 ThisBuild / githubWorkflowJavaVersions := Seq(PrimaryJava, LTSJava, GraalVM)
 
 val Scala212 = "2.12.18"
-val Scala213 = "2.13.11"
+val Scala213 = "2.13.12"
 val Scala3 = "3.3.1"
 
 ThisBuild / crossScalaVersions := Seq(Scala212, Scala213, Scala3)