fix(imports): add missing TestTemplate and DetectionRule imports in lolbas and sigma import services

backend/app/services/lolbas_import_service.py

@@ -60,6 +60,7 @@ from sqlalchemy.orm import Session
 # Import DataSource from app.models.data_source
 from app.models.data_source import DataSource
 from app.models.technique import Technique
+from app.models.test_template import TestTemplate
 from app.services.audit_service import log_action
 
 # Assign logger = logging.getLogger(__name__)