Add barbican egress

This patch set specifies the barbican egress in the override to be
inline with other services.

Change-Id: Ie4997a5bb476a21253e98e4c69a77e58b8498f4f
Signed-off-by: Tin Lam <tin@irrational.io>
Signed-off-by: Tin Lam <tlam@omegaprime.dev>

barbican/values_overrides/netpol.yaml

@@ -26,4 +26,9 @@ network_policy:
         - protocol: TCP
           port: 9311
     egress:
-      - {}
+      - to:
+        - ipBlock:
+            cidr: %%%REPLACE_API_ADDR%%%/32
+        ports:
+          - protocol: TCP
+            port: %%%REPLACE_API_PORT%%%