Add support for role and cluster role

[kaitoii11]

What this PR does / why we need it:
Add support for generating metrics for clusterroles and roles

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
ref #1717

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[mrueg]

@kaitoii11 can you rebase on latest default branch and run regenerate manifests via make locally?

Thanks!

[mrueg]

/approve thanks for the contribution!

[fpetkovski]

/lgtm 👍

[mrueg]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: fpetkovski, kaitoii11, liangyuanpeng, mrueg

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• OWNERS [fpetkovski,mrueg]

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