migrate distroless-iptables image to new golang iptables-wrapper

[BenTheElder]

What would you like to be added:

We should adopt https://github.com/kubernetes-sigs/iptables-wrappers/pull/6 / https://github.com/kubernetes-sigs/iptables-wrappers/issues/4

Why is this needed:

This will allow us to cleanup TODOs following #2502 to minimize the image further.

We can drop the shell and related utilities and keep only adding iptables binaries and the new go-based wrapper binary.

This will reduce the vulnerability surface further.

[danwinship]

I want to simplify the code a little bit and then I'll tag a release, but the "API" shouldn't really change at all so you can at least test against the current HEAD (https://github.com/kubernetes-sigs/iptables-wrappers/commit/5792812d9e5a5bb7f22d79d557bbfeece253343d)

[k8s-triage-robot]

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/lifecycle stale

[cpanato]

/remove-lifecycle stale /assign

[k8s-triage-robot]

The Kubernetes project currently lacks enough contributors to adequately respond to all issues.

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/lifecycle stale

[xmudrii]

/remove-lifecycle stale

[k8s-triage-robot]

The Kubernetes project currently lacks enough contributors to adequately respond to all issues.

This bot triages un-triaged issues according to the following rules:

• After 90d of inactivity, lifecycle/stale is applied
• After 30d of inactivity since lifecycle/stale was applied, lifecycle/rotten is applied
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/lifecycle stale

[xmudrii]

/remove-lifecycle stale

[k8s-triage-robot]

The Kubernetes project currently lacks enough contributors to adequately respond to all issues.

This bot triages un-triaged issues according to the following rules:

• After 90d of inactivity, lifecycle/stale is applied
• After 30d of inactivity since lifecycle/stale was applied, lifecycle/rotten is applied
• After 30d of inactivity since lifecycle/rotten was applied, the issue is closed

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• Mark this issue as fresh with /remove-lifecycle stale
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Please send feedback to sig-contributor-experience at kubernetes/community.

/lifecycle stale

[xmudrii]

/lifecycle frozen