// The filtered common labels are then added to the incoming generated
	// webhooks, which aids in managing these webhooks via the istioctl/operator.
	filteredLabels := make(map[string]string)
	for k, v := range wh.Labels {
		if k != "app" {
			filteredLabels[k] = v
		}
	}

	return &tagWebhookConfig{
		Tag:            tagName,
		Revision:       rev,
		URL:            injectionURL,