Support HTTPRoute redirect port and scheme

Co-authored-by: Kevin Pollet <pollet.kevin@gmail.com>

pkg/provider/kubernetes/gateway/fixtures/referencegrant/for_service.yml

@@ -53,7 +53,11 @@ spec:
       kind: Gateway
       group: gateway.networking.k8s.io
   rules:
-    - backendRefs:
+    - matches:
+        - path:
+            type: PathPrefix
+            value: /
+      backendRefs:
         - name: whoami-bar
           port: 80
           weight: 1

pkg/provider/kubernetes/gateway/fixtures/referencegrant/for_service_missing.yml

@@ -38,7 +38,11 @@ spec:
       kind: Gateway
       group: gateway.networking.k8s.io
   rules:
-    - backendRefs:
+    - matches:
+        - path:
+            type: PathPrefix
+            value: /
+      backendRefs:
         - name: whoami-bar
           port: 80
           weight: 1

pkg/provider/kubernetes/gateway/fixtures/referencegrant/for_service_not_matching_from.yml

@@ -53,7 +53,11 @@ spec:
       kind: Gateway
       group: gateway.networking.k8s.io
   rules:
-    - backendRefs:
+    - matches:
+        - path:
+            type: PathPrefix
+            value: /
+      backendRefs:
         - name: whoami-bar
           port: 80
           weight: 1

pkg/provider/kubernetes/gateway/fixtures/referencegrant/for_service_not_matching_to.yml

@@ -54,7 +54,11 @@ spec:
       kind: Gateway
       group: gateway.networking.k8s.io
   rules:
-    - backendRefs:
+    - matches:
+        - path:
+            type: PathPrefix
+            value: /
+      backendRefs:
         - name: whoami-bar
           port: 80
           weight: 1