Change URL which suggests where to get the latest code of conduct

Author: rayw000

content/zh/community/static/cncf-code-of-conduct.md

@@ -1,5 +1,5 @@
 <!-- Do not edit this file directly. Get the latest from
-     https://github.com/cncf/foundation/blob/master/code-of-conduct.md -->
+     https://github.com/cncf/foundation/blob/master/code-of-conduct-languages/zh.md -->
 ## 云原生计算基金会（CNCF）社区行为准则 1.0 版本
 
 ### 贡献者行为准则