Automatic merge from submit-queue (batch tested with PRs 53609, 54025). 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>.

expose a kube-up environment variable to override GLBC image

```release-note
NONE
```

This change allows kube-up to bring up a k8s cluster with specified glbc image other than the default one.