Both Kubernetes and Prometheus Operator are separate projects, and not part of prometheus itself. (Indeed, there are multiple projects called "prometheus operator" or similar).
You would probably be best off asking for help in the mailing list or discussion group for the project you are using. > -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/0e81736c-2729-4edc-9c08-3e560e6bc17bn%40googlegroups.com.

