[DO-1600] Fix deploy redis_exporter and add deploy postgres_exporter (!77)

[DO-1600]

Co-authored-by: denis.patrakeev <denis.patrakeev@avroid.tech>
Reviewed-on: https://git.avroid.tech/K8s/k8s-configs/pulls/77

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

@@ -9,7 +9,7 @@ metadata:
 spec:
   podSelector:
     matchLabels:
-      app.kubernetes.io/name: cloud-redis-exporter
+      app.kubernetes.io/name: prometheus-redis-exporter
   policyTypes:
     - Ingress
   ingress:
@@ -29,7 +29,9 @@ metadata:
   labels:
     app.kubernetes.io/managed-by: argocd
 spec:
-  podSelector: {}
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/name: prometheus-redis-exporter
   policyTypes:
     - Egress
   ingress: []