[DO-1600] Fix network policy for monitoring stack cloud-prod (!106)

[DO-1600]

Co-authored-by: denis.patrakeev <denis.patrakeev@avroid.tech>
Reviewed-on: https://git.avroid.tech/K8s/k8s-configs/pulls/106

clusters/k8s-avroid-office.prod.local/namespaces/cloud-prod/monitoring/redis-exporter/argocd-apps-redis-exporter-network-policy.yaml

@@ -19,7 +19,7 @@ spec:
               kubernetes.io/metadata.name: cloud-prod
           podSelector:
             matchLabels:
-              app.kubernetes.io/name: cloud-prometheus
+              app.kubernetes.io/name: prometheus
 ---
 apiVersion: networking.k8s.io/v1
 kind: NetworkPolicy