set policyReportsCleanup enabled to false to fix upgrade error

General MR

Summary

Resolving failure in upgrade step in kyverno and kyverno policy MRs by following guidance from upstream: https://github.com/kyverno/kyverno/issues/9780

Relevant logs/screenshots

(Include any relevant logs/screenshots)

Linked Issue

issue

Upgrade Notices

needed for kyverno policies to upgrade to newer kyverno.