add config for go1.20 for distroless-iptables

[cpanato]

What type of PR is this?

/kind cleanup
/kind feature

What this PR does / why we need it:

Currently, we only build the distroless-iptables for the main branch, but the active release branches also get go updates and other dependencies, we also should update distrolless-iptables to the active branches and keep those up-to-date

• add config for go1.20 for distroless-iptables

/assign @jeremyrickard @saschagrunert @Verolop @ameukam
cc @kubernetes/release-engineering

Which issue(s) this PR fixes:

None

Special notes for your reviewer:

Does this PR introduce a user-facing change?

add config for go1.20 for distroless-iptables

[cpanato]

/hold

[cpanato]

@saschagrunert @jeremyrickard @xmudrii @kubernetes/release-engineering

there are quite a few changes when we upgrade from bullseye to bookworm in the bash scripts, and will require to maintain both things, if that is fine I will make some adjustments to make that work, otherwise we will need to decide if the work makes sense

[cpanato]

/lgtm cancel

[cpanato]

/assign @saschagrunert @xmudrii @puerco PTAL

[k8s-ci-robot]

@cpanato: GitHub didn't allow me to assign the following users: PTAL.

Note that only kubernetes members with read permissions, repo collaborators and people who have commented on this issue/PR can be assigned. Additionally, issues/PRs can only have 10 assignees at the same time.
For more information please see the contributor guide

In response to this:

/assign @saschagrunert @xmudrii @puerco PTAL

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cpanato, saschagrunert

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• images/build/distroless-iptables/OWNERS [cpanato,saschagrunert]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[saschagrunert]

/unhold