style: fix ruff formatting in test_pipeline_steps.py

Made-with: Cursor

Author: saichandrapandraju

tests/test_pipeline_steps.py

@@ -295,7 +295,6 @@ def test_full_sample_config(self, monkeypatch):
 
 
 class TestValidateScanConfig:
-
     @patch.dict("sys.modules", {"garak": types.ModuleType("garak")})
     def test_valid_config(self):
         config = json.dumps({"plugins": {"probes": []}})