update changelog
update changelog

# Conflicts:
#	changelogs/unreleased/18608-lock-issues.yml

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