fix: updated listtype for targetports

[capri-xiyue]

What type of PR is this?
/kind bug

What this PR does / why we need it:
Change the listype to atomic as in the future we may need named ports support in the future

Which issue(s) this PR fixes:
part of v1 api review

Fixes #

Does this PR introduce a user-facing change?:

Yes, the TargetPorts []Port will have // +listType=atomic which means number won't be the key and update need to be with the whole list, no list merge is supported.

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[k8s-ci-robot]

Hi @capri-xiyue. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[capri-xiyue]

assign @kfswain

[liu-cong]

/ok-to-test

[robscott]

Thanks @capri-xiyue!

/lgtm

[nirrozenbaum]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: capri-xiyue, nirrozenbaum

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