fixed kyverno crds query

General MR

Summary

bbctl policy --kyverno was not querying the kyverno metadata properly, so I made some adjustments so now it can find the CRDs and the policies.

Relevant logs/screenshots

Linked Issue

Test, update, and fix or remove util/kyverno

Upgrade Notices

(Include any relevant notes about upgrades here or write "N/A" if there are none)

Closes #71 (closed)