Mod: Move contextless log messages to debug logging

'node changed' 'node unchanged' and 'task-result changed' flood
the logs when running argo in production with many workflows and
parallel runs, move these log statements to debug logging so
that we can filter them

workflow/controller/operator.go

@@ -1496,11 +1496,11 @@ func (woc *wfOperationCtx) assessNodeStatus(ctx context.Context, pod *apiv1.Pod,
 			WithField("new.message", new.Message).
 			WithField("old.progress", old.Progress).
 			WithField("new.progress", new.Progress).
-			Info("node changed")
+			Debug("node changed")
 		return new
 	}
 	woc.log.WithField("nodeID", old.ID).
-		Info("node unchanged")
+		Debug("node unchanged")
 	return nil
 }
 

workflow/controller/taskresult.go

@@ -114,7 +114,7 @@ func (woc *wfOperationCtx) taskResultReconciliation() {
 		if !reflect.DeepEqual(old, newNode) {
 			woc.log.
 				WithField("nodeID", nodeID).
-				Info("task-result changed")
+				Debug("task-result changed")
 			woc.wf.Status.Nodes.Set(nodeID, *newNode)
 			woc.updated = true
 		}