Update CHANGELOG.md for 10.7.2
Update CHANGELOG.md for 10.7.2

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