Chagen log level for meta model version migration to debug

Author: atextor

core/esmf-aspect-meta-model-java/src/main/java/org/eclipse/esmf/aspectmodel/versionupdate/MetaModelVersionMigrator.java

@@ -53,11 +53,11 @@ private MetaModelVersionMigrator() {
          .build();
 
    private Model execute( final Migrator migrator, final Model sourceModel ) {
-      LOG.info( "Start Migration for {} to {}", migrator.sourceVersion(), migrator.targetVersion() );
+      LOG.debug( "Start Migration for {} to {}", migrator.sourceVersion(), migrator.targetVersion() );
       final String description = migrator.getDescription().orElse( "" );
-      LOG.info( "Migration step {} {}", migrator.getClass().getSimpleName(), description );
+      LOG.debug( "Migration step {} {}", migrator.getClass().getSimpleName(), description );
       final Model targetModel = migrator.migrate( sourceModel );
-      LOG.info( "End Migration" );
+      LOG.debug( "End Migration" );
       return targetModel;
    }