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Add exit code 1 on not allowed to kubectl auth can-i
What this PR does / why we need it:
kubectl auth can-i verb resource always returns 0 status, even if the user can't <verb> <resource>
With this commit, kubectl will return exit code 1 when a verb is not allowed. It doesn't affect quiet option.
Release note:
```release-note
Fix kubectl auth can-i exit code. It will return 1 if the user is not allowed and 0 if it's allowed.
```
Before this change:
$ kubectl auth can-i get pod
no
$ kubectl auth can-i get pod --quiet
$ echo $?
0
After this change:
$ kubectl auth can-i get pod
no
$ kubectl auth can-i get pod --quiet
$ echo $?
1
