Update proto file for websocket and httpupgrade (breaking)

infra/conf/xray_test.go

@@ -236,11 +236,8 @@ func TestXrayConfig(t *testing.T) {
 									{
 										ProtocolName: "websocket",
 										Settings: serial.ToTypedMessage(&websocket.Config{
-											Header: []*websocket.Header{
-												{
-													Key:   "host",
-													Value: "example.domain",
-												},
+											Header: map[string]string{
+												"host": "example.domain",
 											},
 										}),
 									},
@@ -291,11 +288,8 @@ func TestXrayConfig(t *testing.T) {
 									{
 										ProtocolName: "websocket",
 										Settings: serial.ToTypedMessage(&websocket.Config{
-											Header: []*websocket.Header{
-												{
-													Key:   "host",
-													Value: "example.domain",
-												},
+											Header: map[string]string{
+												"host": "example.domain",
 											},
 										}),
 									},