Merge pull request #113 from scala-steward/update/scala-library-2.13.7

Update scala-library to 2.13.7

Author: adamw

build.sbt

@@ -5,7 +5,7 @@ import com.typesafe.tools.mima.core._
 
 val scala2_11 = "2.11.12"
 val scala2_12 = "2.12.15"
-val scala2_13 = "2.13.6"
+val scala2_13 = "2.13.7"
 val scala2 = List(scala2_11, scala2_12, scala2_13)
 val scala3 = List("3.1.0")