Automatic merge from submit-queue

Add enj as reviewer to OWNERS

Adding myself as a reviewer for the following areas:

- API
- auth
- registry
- storage (etcd)
Signed-off-by: Monis Khan <mkhan@redhat.com>

**Release note**:

```release-note
NONE
```

@kubernetes/sig-api-machinery-pr-reviews
@kubernetes/sig-auth-pr-reviews