Add support for KCM and KSH metrics

[ashoksrirama]

What does this PR do?

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Scrape kube-scheduler, kube-controller-manager metrics

Motivation

To provide visibility into ksh and kcm metrics.

More

• [x] Yes, I have tested the PR using my local account setup (Provide any test evidence report under Additional Notes)
• [x] Yes, I ran pre-commit run -a with this PR
• [ ] Yes, I have added a new example under examples to support my PR (when applicable)
• [ ] Yes, I have updated the Pages for this feature

Note: Not all the PRs required examples and docs.

For Moderators

• [ ] E2E Test successfully complete before merge?

Additional Notes

[elamaran11]

@bonclay7 Review and merge