refactor: stop using inject framework in controller-runtime

[justinsb]

The inject framework has been removed, so we need this to continue to
update controller-runtime.

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[diviner524]

The inject framework has been removed, so we need this to continue to update controller-runtime.

Thank you for making the change @justinsb! Just for self-education, could you also share a link with more details on the removal of inject framework?

[diviner524]

/lgtm

[justinsb]

I think the canonical reference for inject deprecation is kubernetes-sigs/controller-runtime#1433

What really breaks us though is that https://pkg.go.dev/sigs.k8s.io/controller-runtime/pkg/runtime/inject is removed after 0.14.6, that stops (future) updates