Add artifact migration for sbt-native-packager

See sbt/sbt-native-packager#1419

Author: fthomas

modules/core/src/main/resources/artifact-migrations.conf

@@ -131,6 +131,12 @@ changes = [
     artifactIdAfter = sbt-guardrail
     initialVersion = 0.65.3
   },
+  {
+    groupIdBefore = com.typesafe.sbt
+    groupIdAfter = com.github.sbt
+    artifactIdAfter = sbt-native-packager
+    initialVersion = 1.9.0
+  },
   {
     groupIdBefore = com.jsuereth
     groupIdAfter = com.github.sbt