Upgrade k8s.io/* to v0.30, sigs.k8s.io/controller-runtime to v0.18

[rfranzke]

How to categorize this issue?

/area open-source dev-productivity
/kind enhancement

What would you like to be added:

We should upgrade to the latest versions of our go upstream dependencies:

• sigs.k8s.io/controller-runtime@v0.18.0: https://github.com/kubernetes-sigs/controller-runtime/releases/tag/v0.18.0
• k8s.io/*@v0.30.0

Important changes / Action items

• admission.Decoder is now an interface (⚠ admission.Decoder is now an interface kubernetes-sigs/controller-runtime#2736)
• Source, Event, Predicate, Handler: Add generics support (⚠️ Source, Event, Predicate, Handler: Add generics support kubernetes-sigs/controller-runtime#2783 📖 Mark Typed Handlers as experimental kubernetes-sigs/controller-runtime#2796)
• client: Fix SubResourceCreateOptions signature in subresource client ( 🐛 Fix SubResourceCreateOptions signature in subresource client kubernetes-sigs/controller-runtime#2766)
• Upgrade sigs.k8s.io/controller-runtime/tools/setup-envtest (ref fix(deps): update module sigs.k8s.io/controller-runtime/tools/setup-envtest to v0.0.0-20240430063457-24cc51fde1b3 #9685)

Here is a list of a few upstream changes to look out for when vendoring g/g, k/* and c-r in any of our repos (e.g. extensions). Please consider the release notes of controller-runtime@v0.18 and upwards as well for a complete list and more details.

⚠️ breaking / most notable changes

• ...

ℹ️ other changes / good to know / for information only:

• ...