fix: Fix role parameter for _RepackModelStep

Author: tuliocasagrande

src/sagemaker/workflow/step_collections.py

@@ -336,7 +336,7 @@ def __init__(
                 depends_on=depends_on,
                 retry_policies=repack_model_step_retry_policies,
                 sagemaker_session=estimator.sagemaker_session,
-                role=estimator.sagemaker_session,
+                role=estimator.role,
                 model_data=model_data,
                 entry_point=entry_point,
                 source_dir=source_dir,
@@ -347,6 +347,7 @@ def __init__(
                 description=description,
                 display_name=display_name,
                 repack_output_path=repack_output_path,
+                **kwargs,
             )
             steps.append(repack_model_step)
             model_data = repack_model_step.properties.ModelArtifacts.S3ModelArtifacts