k8s-stack: fixed typo in Chart.yaml

Author: AndrewChubatiuk

charts/victoria-metrics-k8s-stack/Chart.yaml

@@ -4,6 +4,7 @@ description: Kubernetes monitoring on VictoriaMetrics stack. Includes VictoriaMe
 type: application
 version: 0.47.1
 appVersion: v1.117.0
+sources:
   - https://github.com/VictoriaMetrics/helm-charts
 icon: https://avatars.githubusercontent.com/u/43720803?s=200&v=4
 kubeVersion: ">=1.25.0-0"