Following the examples instructions[1], the nginx-deployment is not
backed up or restored. Add a label to the deployment so it will be
backed up and restored.
Similar change is needed for `examples/nginx-app/with-pv.yaml` but I did
not try that example.
[1] https://velero.io/docs/v1.11/contributions/minio/Fixes#6347
Signed-off-by: Nir Soffer <nsoffer@redhat.com>
