chore: Update e2e and integration test Kubernetes/kOps versions

[bryantbiggs]

What this PR does / why we need it:

• Update e2e and integration test Kubernetes/kOps versions - these look like they haven't been updated for a few years so bumping to the latest (latest K8s version supported in EKS)
• Replace makefile with script to update codegen
  • The makefile driven code generation was removed in upstream in 1.25 and replaced with a script Kill off makefile-driven code-generation kubernetes/kubernetes#112819

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 #

[bryantbiggs]

will need to spend a bit more time to look into this, converting to draft for now

[k8s-ci-robot]

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[bryantbiggs]

somewhere, we are using an older version of the authenticator in the e2e test but I can't spot where in the code. From the e2e test output:

W0429 11:46:49.577654 6344 builder.go:232] failed to digest image "602401143452.dkr.ecr.us-west-2.amazonaws.com/amazon/aws-iam-authenticator:v0.5.12": GET https://602401143452.dkr.ecr.us-west-2.amazonaws.com/v2/amazon/aws-iam-authenticator/manifests/v0.5.12: unexpected status code 401 Unauthorized: Not Authorized

[k8s-ci-robot]

@bryantbiggs: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-aws-iam-authenticator-e2e	759d2f2	link	true	/test pull-aws-iam-authenticator-e2e

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