SIENTIAPDE-1182

Update environment variables in values.yaml and enhance predictions_batch function in orchestrator_functions.py

- Changed GITHUB_BRANCH to reflect the new task for adjusting laborious processes to capture timestamps from MLflow.
- Added a new filter configuration for handling empty data in the predictions_batch function to improve error management.

orchestrator/utils/orchestrator_functions.py

@@ -200,6 +200,10 @@ def predictions_batch(config: dict[str, Any]):
             }
         }, config.get('input_filters', [])),
         "mlflow_transform_filters": overlap_filter_config({
+            "EMPTY_DATA": {
+                "policy": "STOP",
+                "config": {}
+            },
             "API_ERROR": {
                 "policy": "STOP",
                 "config": {}