Update doc/update/8.14-to-8.15.md
Update doc/update/8.14-to-8.15.md
dreampet/gitlab,axilleas/gitlabhq,iiet/iiet-git,dreampet/gitlab,axilleas/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git,mmkassem/gitlabhq,dreampet/gitlab,mmkassem/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git,stoplightio/gitlabhq,dreampet/gitlab,axilleas/gitlabhq,iiet/iiet-git,axilleas/gitlabhq,stoplightio/gitlabhq,stoplightio/gitlabhq,stoplightio/gitlabhq