feat(knative): add net-istio (#1526)

* feat(knative): add net-istio

* chore: bump Knative Serving to "v1.15.2"

* feat(knative): bump chart version

* fix: new reloader doesn't come with labels

staging/knative/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: knative
-version: 1.15.3
+version: 1.15.4
 description: "Kubernetes-based platform to build, deploy, and manage modern serverless workloads"
 home: https://knative.dev/
 maintainers:

staging/knative/charts/serving/templates/knative-ingress-gateway.yaml

@@ -0,0 +1,14 @@
+---
+# This is the shared Gateway for all Knative routes to use.
+apiVersion: networking.istio.io/v1beta1
+kind: Gateway
+metadata:
+  name: knative-ingress-gateway
+  namespace: knative-serving
+  labels:
+    app.kubernetes.io/component: net-istio
+    app.kubernetes.io/name: knative-serving
+    networking.knative.dev/ingress-provider: istio
+spec:
+  {{- toYaml .Values.knativeIngressGateway.spec | nindent 2 }}
+