SIENTIAPDE-1222

Update values.yaml and MLFlow logging for courier integration

- Changed the image repository to 'sientia-module-courier' and updated the image tag to '0.0.1'.
- Modified environment variables for GITHUB_BRANCH and MLFLOW_PASSWORD to reflect new configurations.
- Enhanced MLFlow logging to include additional debug statements for raw response data and added a check for empty DataFrames.

laborious/activities/mlflow.py

@@ -161,9 +161,14 @@ class MLFlow(BaseActivity):
             model_name, data, model_config
         )
 
+        self.debug("Transform raw response data:", metadata)
+        self.debug(response_data, metadata)
+
         if response_data['success']:
 
             response_dataframe = DataFrame(response_data['content'])
+            if len(response_dataframe) == 0:
+                return response_data
             try:
                 response_dataframe = self.detect_and_parse_datetime_index(
                     response_dataframe, metadata)