Setting version to 2.0.3

@rtyley using Guardian Automated Maven Release · @rtyley using Guardian Automated Maven Release · commit 834687f90422 · 2023-12-07T12:12:21.000Z
diff --git a/version.sbt b/version.sbt
@@ -1 +1 @@
-ThisBuild / version := "2.0.3-SNAPSHOT"
+ThisBuild / version := "2.0.3"
