OCPBUGS-49791: Use /livez for kubernetes scheduler liveness probe

[jonesbr17]

What this PR does / why we need it: The scheduler's /livez endpoint is more appropriate for its liveness probe

Which issue(s) this PR fixes (optional, use fixes #<issue_number>(, fixes #<issue_number>, ...) format, where issue_number might be a GitHub issue, or a Jira story:
Fixes #https://issues.redhat.com/browse/OCPBUGS-49791

Checklist

• Subject and description added to both, commit and PR.
• Relevant issues have been referenced.
• This change includes docs.
• This change includes unit tests.

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
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[openshift-ci-robot]

@jonesbr17: This pull request references Jira Issue OCPBUGS-49791, which is valid. The bug has been moved to the POST state.

3 validation(s) were run on this bug

• bug is open, matching expected state (open)
• bug target version (4.19.0) matches configured target version for branch (4.19.0)
• bug is in the state New, which is one of the valid states (NEW, ASSIGNED, POST)

The bug has been updated to refer to the pull request using the external bug tracker.

In response to this:

What this PR does / why we need it: The scheduler's /livez endpoint is more appropriate for its liveness probe

Which issue(s) this PR fixes (optional, use fixes #<issue_number>(, fixes #<issue_number>, ...) format, where issue_number might be a GitHub issue, or a Jira story:
Fixes #https://issues.redhat.com/browse/OCPBUGS-49791

Checklist

• Subject and description added to both, commit and PR.
• Relevant issues have been referenced.
• This change includes docs.
• This change includes unit tests.

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[openshift-ci]

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This pull-request has been approved by: jonesbr17
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[muraee]

can you please also update it here
https://github.com/openshift/hypershift/blob/main/control-plane-operator/controllers/hostedcontrolplane/v2/assets/kube-scheduler/deployment.yaml#L33