Wire up kubelet credential provider properly in capz templates

[jsturtevant]

This will not be in the community sub, we will move this to a private registry in the private sub and use kubelet credential provider to access it. we need to wire this in to our templates but the credential binaries are already there https://github.com/kubernetes-sigs/cluster-api-provider-azure/issues/4679#issuecomment-2225938449

Originally posted by @jsturtevant in https://github.com/kubernetes-sigs/windows-testing/pull/444#discussion_r1676492724