[Terraform-AWS] Replace CLB with NLB for kube-apiserver domain

[sophalHong]

What type of PR is this?
/kind feature

What this PR does / why we need it:
Add new AWS Network LoadBalancer (NLB) module
Replace AWS Classic LoadBalancer (CLB), which is deprecated.

AWS will be retiring the EC2-Classic network on August 15, 2022.

Which issue(s) this PR fixes:

Fixes #8344

Does this PR introduce a user-facing change?:

Replace CLB with NLB for kube-apiserver domain in Terraform AWS contrib code

[k8s-ci-robot]

Hi @sophalHong. 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.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[oomichi]

Thanks for this contribution.

/ok-to-test
/lgtm

[floryut]

@sophalHong Thank you 👍

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: floryut, sophalHong

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