fix(gateway): patch hostname for redirect HTTPRoute in overlays

Updates the sandbox and production overlays to ensure the hostname is also 
patched on the new balancer-redirect HTTPRoute.

Author: TineoC

deploy/manifests/balancer/overlays/production/kustomization.yaml

@@ -28,3 +28,10 @@ patches:
       - op: add
         path: /spec/hostnames
         value: ["balancerproject.org"]
+  - target:
+      kind: HTTPRoute
+      name: balancer-redirect
+    patch: |-
+      - op: add
+        path: /spec/hostnames
+        value: ["balancerproject.org"]

deploy/manifests/balancer/overlays/sandbox/kustomization.yaml

@@ -28,3 +28,10 @@ patches:
       - op: add
         path: /spec/hostnames
         value: ["sandbox.balancerproject.org"]
+  - target:
+      kind: HTTPRoute
+      name: balancer-redirect
+    patch: |-
+      - op: add
+        path: /spec/hostnames
+        value: ["sandbox.balancerproject.org"]