Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>..

set proxy when build containers for users behind proxy

Fixes: https://github.com/kubernetes/kubernetes/issues/49921

**Release note**:

```
NONE
```