[upgrade]Unable to list "loki.grafana.com/v1beta1, Resource=lokistacks"

In some condition, after upgrade loki-operator from 5.4 to 5.5, "oc get lokistack" report error below.

Error from server (NotFound): Unable to list "loki.grafana.com/v1beta1, Resource=lokistacks": the server could not find the requested resource (get lokistacks.loki.grafana.com)

Step to reproduced:
1. deploy loki operator 5.4
2. Deploy lokistack under namespace loki-project.
3. Upgrade loki opreator to 5.5.
4. After upgrade. Run 'oc get lokistack'.