stream.setPriority([options])
options<Object>
设置流的优先级。如果会话不支持优先级(例如非 HTTP/3),则抛出 ERR_INVALID_STATE。如果流已被销毁,则无效。
🌐 Sets the priority of the stream. Throws ERR_INVALID_STATE if the session
does not support priority (e.g. non-HTTP/3). Has no effect if the stream
has been destroyed.