SIENTIAPDE-1273

SIENTIAPDE-1273
Enhance security analysis and SQL injection handling

- Added skip for potential SQL injection false positives in Bandit configuration.
- Updated validate.sh to use the pyproject.toml configuration for Bandit security analysis.
- Refactored code to replace ensure_dataframe utility with direct DataFrame usage in multiple activities, improving clarity and reducing dependencies.
- Removed the deprecated dataframe_utils module to streamline the codebase.

laborious/worker/worker.py

@@ -29,7 +29,6 @@ from temporalio import client, workflow
 from temporalio.runtime import PrometheusConfig, Runtime, TelemetryConfig
 from temporalio.worker import PollerBehaviorAutoscaling, Worker
 
-
 with workflow.unsafe.imports_passed_through():
     import asyncio
     import os
@@ -48,11 +47,10 @@ with workflow.unsafe.imports_passed_through():
         build_opc_config,
         build_postgres_config,
     )
+    from laborious.workflows.drift import Drift
     from laborious.workflows.minimal_retrain import MinimalRetrain
     from laborious.workflows.predictions_batch import PredictionsBatch
-    from laborious.workflows.drift import Drift
     from laborious.workflows.simple_metrics import SimpleMetrics
-    
     from laborious.workflows.sub_workflows.format_and_export_prediction import (
         FormatAndExportPrediction,
     )