feat: add comment about tearing down ray clusters to cluster.apply()

[kryanbeane]

Issue link

What changes have been made

Add output logs to cluster.apply() about tearing down Ray Clusters

Verification steps

Checks

• I've made sure the tests are passing.
• Testing Strategy
  • Unit tests
  • Manual tests
  • Testing is not required for this change

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.48%. Comparing base (68d1f6c) to head (fd49a49).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #837   +/-   ##
=======================================
  Coverage   92.48%   92.48%           
=======================================
  Files          24       24           
  Lines        1423     1423           
=======================================
  Hits         1316     1316           
  Misses        107      107           

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[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: chipspeak, pawelpaszki

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