SIENTIAPDE-1172

Update GITHUB_BRANCH in values.yaml and enhance error notification handling in MLFlow

- Changed GITHUB_BRANCH in values.yaml to reflect the new pipeline for alerts orchestration.
- Added NotificationLevel.ERROR to error notifications in MLFlow for retraining and production model updates.
- Updated tests to verify error notification levels for model management workflows.

laborious/activities/mlflow.py

@@ -4,6 +4,7 @@ from temporalio import activity, workflow
 with workflow.unsafe.imports_passed_through():
     from sientia_do.temporal.activities.base import BaseActivity
     from sientia_do.notifications.handlers import CoreNotificationHandler as NotificationHandler
+    from sientia_do.notifications.models import NotificationLevel
     from sientia_do.temporal.utils.logger import Logger
     from laborious.utils.repository.model_repository import MLFlowRepository
     from typing import Any
@@ -145,6 +146,7 @@ class MLFlow(BaseActivity):
                 notification_id='RETRAIN_MODEL_ERROR',
                 message=f'Error retraining model {model_name}: {e}',
                 block='retrain_model',
+                level=NotificationLevel.ERROR,
                 attachment_content=trace
             )
             self.error(trace, metadata=metadata)
@@ -197,6 +199,7 @@ class MLFlow(BaseActivity):
                 notification_id='UPDATE_PRODUCTION_MODEL_ERROR',
                 message=f'Error updating production model {model_name}: {e}',
                 block='update_production_model',
+                level=NotificationLevel.ERROR,
                 attachment_content=trace
             )
             self.error(trace, metadata=metadata)