doc: update CONTRIBUTING.md.

Author: github-actions[bot]

CONTRIBUTING.md

@@ -339,6 +339,9 @@ jobs:
 <a href="https://github.com/likeshop-github" title="LikeShop技术社区">
   <img src="https://avatars.githubusercontent.com/u/77180968?v=4" width="42;" alt="LikeShop技术社区"/>
 </a>
+<a href="https://github.com/MackDing" title="MackGg">
+  <img src="https://avatars.githubusercontent.com/u/19878893?v=4" width="42;" alt="MackGg"/>
+</a>
 <a href="https://github.com/mariuszmichalowski" title="Mariusz Michalowski">
   <img src="https://avatars.githubusercontent.com/u/92091891?v=4" width="42;" alt="Mariusz Michalowski"/>
 </a>