message: udpate package.xml
diff: <file role="src" name="swoole_http_server.c" />
  <file role="src" name="swoole_http_client.h" />
  <file role="src" name="swoole_http_client.c" />
  + <file role="src" name="swoole_http_v2_client.h" />
  <file role="src" name="swoole_http_v2_client.c" />
  <file role="src" name="swoole_http_v2_server.c" />
  + <file role="src" name="swoole_http_v2_client_coro.c" />
  <file role="src" name="swoole_http.h" />
  <file role="src" name="swoole_websocket_server.c" />
  <file role="src" name="swoole_atomic.c" />
  