rename in maintainers

Signed-off-by: zbb88888 <jmdxjsjgcxy@gmail.com>

Author: zbb88888

MAINTAINERS

@@ -4,5 +4,5 @@
 | Zujian Zhang   | [@zhangzujian](https://github.com/zhangzujian) | Alauda Inc    |
 | Hongzhen Ma    | [@hzma](https://github.com/hongzhen-ma)        | Alauda Inc    |
 | Riming Fan     | [@fanriming](https://github.com/fanriming)     | China Telecom |
-| Bingbing Zhang | [@bobz965](https://github.com/bobz965)         | China Mobile  |
+| Bingbing Zhang | [@bobz965](https://github.com/bobz965)         | Qiniu         |
 | YuDong Wang    | [@wangyd1988](https://github.com/wangyd1988)   | Inspur        |