update Chao's affiliation (openyurtio#586)

MAINTAINERS.md

@@ -7,6 +7,6 @@ This file lists the maintainers of the OpenYurt project. The responsibilities of
 | ---- | --------- | ----------- |
 | [Fei Guo](mailto:[email protected]) | [Fei-Guo](https://github.com/Fei-Guo) | Alibaba |
 | [Linbo He](mailto:[email protected]) | [rambohe-ch](https://github.com/rambohe-ch) | Alibaba |
-| [Chao Zheng](mailto:c.zheng@alibaba-inc.com) | [charleszheng44](https://github.com/charleszheng44) | Alibaba |
+| [Chao Zheng](mailto:chao.zheng@bytedance.com) | [charleszheng44](https://github.com/charleszheng44) | ByteDance |
 | [Yixing Jia](mailto:[email protected]) | [yixingjia](https://github.com/yixingjia) | VMware |
 | [Shaoqiang Chen](mailto:[email protected]) | [gnunu](https://github.com/gnunu) | Intel |