style: 🎨 Fix formating issues

Author: jhw-db

popupsim/backend/src/infrastructure/tracking/unified_resource_tracker.py

@@ -207,7 +207,7 @@ def export_to_json(self, output_path: Path) -> None:
         """Export all process data to JSON file."""
         completed_processes_list: list[dict[str, Any]] = []
         active_processes_list: list[dict[str, Any]] = []
-        
+
         data: dict[str, Any] = {
             'completed_processes': completed_processes_list,
             'active_processes': active_processes_list,