chore(deps): update helm release k8s-gateway to v2

Author: renovate[bot]

cluster/apps/networking/k8s-gateway/helm-release.yaml

@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: k8s-gateway
-      version: 1.1.9
+      version: 2.0.3
       sourceRef:
         kind: HelmRepository
         name: k8s-gateway