split verify-gen into multiple targets in pre-push pre-commit hook

[nawazkh]

What type of PR is this?
/kind cleanup

What this PR does / why we need it:

• I found that splitting make verify-gen into two targets is helping with swap file accumulation that was slowing down pre-push stage.
• Without this change, upon running pre-push stage locally, the swap file was increasing to 56GB and the pre-push stage ran for 52 mins. 😢

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes ##5318

Special notes for your reviewer:

TODOs:

• squashed commits
• includes documentation
• adds unit tests
• cherry-pick candidate

Release note:

NONE

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.44%. Comparing base (8b8ba05) to head (79bf648).
Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5374   +/-   ##
=======================================
  Coverage   52.44%   52.44%           
=======================================
  Files         272      272           
  Lines       29349    29349           
=======================================
  Hits        15391    15391           
  Misses      13152    13152           
  Partials      806      806           

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[willie-yao]

Is the extra indent here intentional?

[nawazkh]

Editor changes.. Unintentional. But doesn't harm ? I can remove the indentation if you'd like.

[willie-yao]

No worries, it was just a bit hard for me to visualize the diff, but doesn't have to be changed.

[willie-yao]

/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 51c6a806489e81dc8a7478ebc12de9144588888c

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: willie-yao

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• OWNERS [willie-yao]

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