[release-1.21] Add MachineHealthCheck for control plane to private cluster e2e template

[k8s-infra-cherrypick-robot]

This is an automated cherry-pick of #5801

/assign mboersma

NONE

[nojnhuh]

/kind flake
/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 54228591348577f791a09151910e75a7239b4e97

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: nojnhuh

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [nojnhuh]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46.93%. Comparing base (ab41f34) to head (bb9ff17).
⚠️ Report is 3 commits behind head on release-1.21.

Additional details and impacted files

@@               Coverage Diff                @@
##           release-1.21    #5915      +/-   ##
================================================
- Coverage         46.94%   46.93%   -0.01%     
================================================
  Files               279      279              
  Lines             29687    29687              
================================================
- Hits              13936    13934       -2     
- Misses            14938    14940       +2     
  Partials            813      813              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.