Merge pull request scala-steward-org#3268 from mkurz/migrate_sbt-boilerplate

Migrate sbt-boilerplate

Author: fthomas

modules/core/src/main/resources/artifact-migrations.v2.conf

@@ -1124,4 +1124,9 @@ changes = [
     artifactIdBefore = otel4s-java-trace
     artifactIdAfter = otel4s-oteljava-trace
   },
+  {
+    groupIdBefore = io.spray
+    groupIdAfter = com.github.sbt
+    artifactIdAfter = sbt-boilerplate
+  },
 ]