Merge branch '463331-add-a-new-tab-for-kubernetes-tree-view-1' into 'master'

Show Kustomization data in Kubernetes tree view

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/154411



Merged-by: Lorenz van Herwaarden <lvanherwaarden@gitlab.com>
Approved-by: Lorenz van Herwaarden <lvanherwaarden@gitlab.com>
Reviewed-by: Andrew Fontaine <afontaine@gitlab.com>
Reviewed-by: Anna Vovchenko <avovchenko@gitlab.com>
Reviewed-by: Lorenz van Herwaarden <lvanherwaarden@gitlab.com>
Co-authored-by: Anna Vovchenko <avovchenko@gitlab.com>