Setting version to 2.0.13

@rtyley using gha-scala-library-release-workflow · @rtyley using gha-scala-library-release-workflow · commit bb87957defbe · 2023-12-23T11:24:28.000Z
diff --git a/version.sbt b/version.sbt
@@ -1 +1 @@
-ThisBuild / version := "2.0.13-SNAPSHOT"
+ThisBuild / version := "2.0.13"
