Update net-gateway-api nightly (#15103)

bumping knative.dev/net-gateway-api f925238...60e6a04:
  > 60e6a04 upgrade to latest dependencies (# 666)

Signed-off-by: Knative Automation <automation@knative.team>

third_party/gateway-api-latest/istio-gateway.yaml

@@ -22,7 +22,7 @@ metadata:
   labels:
     app.kubernetes.io/component: net-gateway-api
     app.kubernetes.io/name: knative-serving
-    app.kubernetes.io/version: "20240404-f925238d"
+    app.kubernetes.io/version: "20240409-60e6a04f"
     experimental.istio.io/disable-gateway-port-translation: "true"
 spec:
   type: ClusterIP

third_party/gateway-api-latest/net-gateway-api.yaml

@@ -20,7 +20,7 @@ metadata:
     networking.knative.dev/ingress-provider: net-gateway-api
     app.kubernetes.io/component: net-gateway-api
     app.kubernetes.io/name: knative-serving
-    app.kubernetes.io/version: "20240404-f925238d"
+    app.kubernetes.io/version: "20240409-60e6a04f"
 aggregationRule:
   clusterRoleSelectors:
     - matchLabels:
@@ -36,7 +36,7 @@ metadata:
     networking.knative.dev/ingress-provider: net-gateway-api
     app.kubernetes.io/component: net-gateway-api
     app.kubernetes.io/name: knative-serving
-    app.kubernetes.io/version: "20240404-f925238d"
+    app.kubernetes.io/version: "20240409-60e6a04f"
 rules:
   - apiGroups: ["gateway.networking.k8s.io"]
     resources: ["httproutes", "referencegrants", "referencepolicies"]
@@ -69,7 +69,7 @@ metadata:
     networking.knative.dev/ingress-provider: net-gateway-api
     app.kubernetes.io/component: net-gateway-api
     app.kubernetes.io/name: knative-serving
-    app.kubernetes.io/version: "20240404-f925238d"
+    app.kubernetes.io/version: "20240409-60e6a04f"
 data:
   _example: |
     ################################
@@ -123,7 +123,7 @@ metadata:
   labels:
     networking.knative.dev/ingress-provider: net-gateway-api
     app.kubernetes.io/component: net-gateway-api
-    app.kubernetes.io/version: "20240404-f925238d"
+    app.kubernetes.io/version: "20240409-60e6a04f"
     app.kubernetes.io/name: knative-serving
 spec:
   replicas: 1
@@ -150,7 +150,7 @@ spec:
         - name: controller
           # This is the Go import path for the binary that is containerized
           # and substituted here.
-          image: gcr.io/knative-nightly/knative.dev/net-gateway-api/cmd/controller@sha256:de588a1c9bddfec31aad297b32d561157d8c43f720edb958e8aed0a11e7c485f
+          image: gcr.io/knative-nightly/knative.dev/net-gateway-api/cmd/controller@sha256:fc40c8b1832876354c19401e30971206092a32d5d1e8c87015cb53ff3a182d3a
           resources:
             requests:
               cpu: 100m