fix: correct field name in error message (argoproj#1317)

Signed-off-by: Windfarer <windfarer@gmail.com>

sensors/triggers/argo-workflow/argo-workflow.go

@@ -111,7 +111,7 @@ func (t *ArgoWorkflowTrigger) Execute(ctx context.Context, events map[string]*v1
 			return nil, errors.Errorf("failed to execute the workflow %v operation, no name is given", op)
 		}
 		if obj.GetGenerateName() == "" {
-			return nil, errors.New("failed to trigger the workflow, neither name nor generatedName is given")
+			return nil, errors.New("failed to trigger the workflow, neither name nor generateName is given")
 		}
 	}