Clarify where the k8s applications can be found
Clarify where the k8s applications can be found

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/42262

stoplightio/gitlabhq,mmkassem/gitlabhq,axilleas/gitlabhq,axilleas/gitlabhq,dreampet/gitlab,dreampet/gitlab,iiet/iiet-git,dreampet/gitlab,axilleas/gitlabhq,iiet/iiet-git,mmkassem/gitlabhq,iiet/iiet-git,dreampet/gitlab,mmkassem/gitlabhq,axilleas/gitlabhq,stoplightio/gitlabhq,stoplightio/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git