updated permissions for the workflow

ml/train.yaml

@@ -3,11 +3,8 @@ command: >
   python train.py
 environment: azureml:project_environment:1
 inputs:
-  attrition_data:
-    data: azureml:attrition_data:1
+    training_data:
+      type: uri_folder 
+      path: azureml:attrition_data:1
 compute: azureml:cpu-cluster
-experiment_name: employee_attrition_experiment
-output:
-  name: outputs
-  type: uri_folder
-  mode: Upload
+experiment_name: employee_attrition_experiment