feat: health checks for Numaplane CRDs

[dpadhiar]

This pull request introduces the appropriate health checks for Numaplane CRDs which include PipelineRollout ISBServiceRollout and NumaflowControllerRollout

Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this does not need to be in the release notes.
• The title of the PR states what changed and the related issues number (used for the release note).
• The title of the PR conforms to the Toolchain Guide
• I've included "Closes [ISSUE #]" or "Fixes [ISSUE #]" in the description to automatically close the associated issue.
• I've updated both the CLI and UI to expose my feature, or I plan to submit a second PR with them.
• Does this PR require documentation updates?
• I've updated documentation as required by this PR.
• I have signed off all my commits as required by DCO
• I have written unit and/or e2e tests for my change. PRs without these are unlikely to be merged.
• My build is green (troubleshooting builds).
• My new feature complies with the feature status guidelines.
• I have added a brief description of why this PR is necessary and/or what this PR solves.
• Optional. My organization is added to USERS.md.
• Optional. For bug fixes, I've indicated what older releases this fix should be cherry-picked into (this may or may not happen depending on risk/complexity).

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 50.66%. Comparing base (30a1623) to head (2db1504).
Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #19077   +/-   ##
=======================================
  Coverage   50.65%   50.66%           
=======================================
  Files         315      315           
  Lines       43347    43347           
=======================================
+ Hits        21959    21963    +4     
+ Misses      18885    18882    -3     
+ Partials     2503     2502    -1     

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[todaywasawesome]

Looks good.

[dpadhiar]

@todaywasawesome Thanks for approval! Not sure why the license compliance is failing and blocking the merge.