Use intermediate build of rke2 etcd fix

Francois Eleouetrequested to merge
rke2-etcd-pre-delete into renovate/kubernetes-sigs-cluster-api-1.x

What does this MR do and why?

Use intermediate build of rke2 etcd fix

Uses an image built from this commit: https://github.com/rancher/cluster-api-provider-rke2/tree/fc6f21d8131800bc1a05875011209ae0794d58c2

Built on top of !2710 (closed) as it requires cluster-api 1.8.2+

Relates to #1595 (closed)

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