build(deps): bump k8s.io/api to v0.30.0 sigs.k8s.io/controller-runtime to v0.18.0 sigs.k8s.io/controller-tools to 0.15.0 + codegen refactor

[perdasilva]

Description of the change:
The scripts we were using to generate client code were deprecated and with the new version of kube they were removed breaking codegen. This PR bumps kube to v0.30.0, controller-runtime to v0.18.0, and updates the code generation to use the new scrips.

Motivation for the change:

Architectural changes:

Testing remarks:

Reviewer Checklist

• Implementation matches the proposed design, or proposal is updated to match implementation
• Sufficient unit test coverage
• Sufficient end-to-end test coverage
• Bug fixes are accompanied by regression test(s)
• e2e tests and flake fixes are accompanied evidence of flake testing, e.g. executing the test 100(0) times
• tech debt/todo is accompanied by issue link(s) in comments in the surrounding code
• Tests are comprehensible, e.g. Ginkgo DSL is being used appropriately
• Docs updated or added to /doc
• Commit messages sensible and descriptive
• Tests marked as [FLAKE] are truly flaky and have an issue
• Code is properly formatted

[perdasilva]

/hold waiting for consensus before merging

[perdasilva]

Might as well update api and operator-registry to their 0.30.0 versions

[perdasilva]

/unhold release released