Automatic merge from submit-queue

Towards custom handler chains in genericapiserver

**Based on https://github.com/kubernetes/kubernetes/pull/33478**

This PR makes the handler chain construction independent from the genericapiserver instance (with the exception of the `RequestInfoFilter` which will be fixed in https://github.com/kubernetes/kubernetes/pull/33490), i.e. the `Config` is enough to create a custom handler chain.