Add a missing field for HttpProtocolOptions

Author: isala404

adapter/internal/oasparser/envoyconf/routes_with_clusters.go

@@ -623,6 +623,9 @@ func processEndpoints(clusterName string, clusterDetails *model.EndpointCluster,
 	// This ensure cilium proxy will not reuse the connection
 	if withinClusterEndpoint && os.Getenv("ROUTER_DISABLE_IN_CLUSTER_CONNECTION_POOLING") == "true" {
 		config := &upstreams.HttpProtocolOptions{
+			UpstreamHttpProtocolOptions: &corev3.UpstreamHttpProtocolOptions{
+				AutoSni: true,
+			},
 			CommonHttpProtocolOptions: &corev3.HttpProtocolOptions{
 				MaxRequestsPerConnection: wrapperspb.UInt32(1),
 			},