Fix: set fallback value of kubelet ip6 (#8858) (#8926) (#8942)

* Fix: set fallback value of kubelet ip6 (#8858)

* Prune the spurious comma in the end of kubelet_address

- Update `roles/kubernetes/node/defaults/main.yml`

Co-authored-by: Cristian Calin <6627509+cristicalin@users.noreply.github.com>

* Fix: set fallback value of kubelet ip6 (#8858)

- Apply the lint: https://github.com/kubernetes-sigs/kubespray/pull/8926/commits/132606368e31bdb992fe45df80bd74d524b8ed89



Co-authored-by: Cristian Calin <6627509+cristicalin@users.noreply.github.com>

Co-authored-by: Ho Kim <ho.kim@ulagbulag.io>
Co-authored-by: Cristian Calin <6627509+cristicalin@users.noreply.github.com>