PVC has no label, and the operator cannot be started successfully

[damuji8]

https://github.com/vesoft-inc/nebula-operator/blob/master/pkg/kube/pvc.go
We deploy the nebula operator in the local kubernetes cluster， pvc has no label, and the operator cannot be started successfully.
operator logs: assignment to entry in nil map.

here also need
if pvc.Labels == nil {
pvc.Labels = make(map[string]string)
}

[wey-gu]

Thanks @damuji8 for reporting this :), Are you interested in a PR to fix it? As you already find it down to the code line

[wey-gu]

@damuji8 we will reach out to you for a nebulagraph contributor souvenir and certificate :)

again, thanks a lot for the contribution and welcome to the nebulagraph community!