chore: update zillion endpoint (#750)

Author: frankmeds

products/zillion/cd/overlays/production/certificate.yaml

@@ -4,4 +4,4 @@ metadata:
   name: zillion
 spec:
   domains:
-    - stake.zilliqa.com
+    - zillion.zilliqa.com

products/zillion/cd/overlays/production/kustomization.yaml

@@ -13,7 +13,7 @@ patches:
     patch: |-
       - op: replace
         path: "/spec/rules/0/host"
-        value: stake.zilliqa.com
+        value: zillion.zilliqa.com
       - op: remove
         path: "/spec/rules/2"
       - op: remove
@@ -22,7 +22,7 @@ patches:
         path: /metadata/annotations
         value:
           kubernetes.io/ingress.class: gce
-          kubernetes.io/ingress.global-static-ip-name: stake-zilliqa-com
+          kubernetes.io/ingress.global-static-ip-name: zillion-zilliqa-com
           networking.gke.io/managed-certificates: zillion
           networking.gke.io/v1beta1.FrontendConfig: zillion
   - target: