feat(helm): update chart k8s-gateway to 2.1.0 (#1058)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

bootstrap/templates/kubernetes/apps/networking/k8s-gateway/app/helmrelease.yaml.j2

@@ -8,7 +8,7 @@ spec:
   chart:
     spec:
       chart: k8s-gateway
-      version: 2.0.4
+      version: 2.1.0
       sourceRef:
         kind: HelmRepository
         name: k8s-gateway