fix(ovn): enable dependency to handle slow envs

With these missing flags, the Helm deploy would finish
but the services would not be functional, causing the
jobs to fail.
diff --git a/charts/neutron/values.yaml b/charts/neutron/values.yaml
index 70f808f..df6c0fa 100644
--- a/charts/neutron/values.yaml
+++ b/charts/neutron/values.yaml
@@ -158,7 +158,9 @@
       sriov: {}
       l2gateway: {}
       bagpipe_bgp: {}
-      ovn: {}
+      ovn:
+        server:
+          pod: null
       openvswitch:
         dhcp:
           pod:
@@ -291,6 +293,8 @@
       services:
         - endpoint: internal
           service: compute_metadata
+        - endpoint: internal
+          service: network
     ovs_agent:
       jobs:
         - neutron-rabbit-init