Fix broken network policy check/gate

This adds a basic egress policy to the charts run by the
network-policy check. A change was recently merged requiring
the eggress tag to be in the chart but did not add it, this
addresses that

Change-Id: I60669c9351db7854cba8c69723eb783a966d2a56

elasticsearch/values.yaml

@@ -315,9 +315,13 @@ network_policy:
   elasticsearch:
     ingress:
       - {}
+    egress:
+      - {}
   prometheus-elasticsearch-exporter:
     ingress:
       - {}
+    egress:
+      - {}
 
 secrets:
   rgw:

fluent-logging/values.yaml

@@ -574,9 +574,13 @@ network_policy:
   prometheus-fluentd-exporter:
     ingress:
       - {}
+    egress:
+      - {}
   fluentd:
     ingress:
       - {}
+    egress:
+      - {}
 
 pod:
   security_context:

grafana/values.yaml

@@ -308,6 +308,13 @@ network:
       annotations:
         nginx.ingress.kubernetes.io/rewrite-target: /
 
+network_policy:
+  grafana:
+    ingress:
+      - {}
+    egress:
+      - {}
+
 secrets:
   oslo_db:
     admin: grafana-db-admin

kibana/values.yaml

@@ -105,6 +105,8 @@ network_policy:
   kibana:
     ingress:
       - {}
+    egress:
+      - {}
 
 secrets:
   elasticsearch:

ldap/values.yaml

@@ -151,6 +151,8 @@ network_policy:
   ldap:
     ingress:
       - {}
+    egress:
+      - {}
 
 data:
   sample: |

mariadb/values.yaml

@@ -375,6 +375,8 @@ network_policy:
   mariadb:
     ingress:
       - {}
+    egress:
+      - {}
 
 manifests:
   configmap_bin: true

nagios/values.yaml

@@ -191,6 +191,8 @@ network_policy:
   nagios:
     ingress:
       - {}
+    egress:
+      - {}
 
 pod:
   security_context:

prometheus/values.yaml

@@ -231,6 +231,8 @@ network_policy:
   prometheus:
     ingress:
       - {}
+    egress:
+      - {}
 
 secrets:
   tls: