fix delete gc-artifact workflow stuck due to finalizers can not be …

…removed

Signed-off-by: joey <[email protected]>

workflow/controller/artifact_gc.go

@@ -508,7 +508,7 @@ func (woc *wfOperationCtx) processArtifactGCCompletion(ctx context.Context) erro
 		return fmt.Errorf("failed to get pods from informer: %w", err)
 	}
 
-	anyPodSuccess := false
+	anyPodSuccess := len(pods) == 0
 	for _, obj := range pods {
 		pod := obj.(*corev1.Pod)
 		if pod.Labels[common.LabelKeyComponent] != artifactGCComponent { // make sure it's an Artifact GC Pod