Update CHANGELOG.md for 11.0.4
Update CHANGELOG.md for 11.0.4

[ci skip]
dreampet/gitlab,jirutka/gitlabhq,jirutka/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,axilleas/gitlabhq,axilleas/gitlabhq,jirutka/gitlabhq,axilleas/gitlabhq,stoplightio/gitlabhq,iiet/iiet-git,dreampet/gitlab,axilleas/gitlabhq,dreampet/gitlab,jirutka/gitlabhq,mmkassem/gitlabhq,mmkassem/gitlabhq,stoplightio/gitlabhq,dreampet/gitlab,iiet/iiet-git,stoplightio/gitlabhq,iiet/iiet-git,iiet/iiet-git,mmkassem/gitlabhq