Create the specified remote directory during backup
Create the specified remote directory during backup

This is idempotent, so there's no harm calling it if the directory
already exists.

Closes #12710

Soullivaneuh/gitlabhq,openwide-java/gitlabhq,dreampet/gitlab,shinexiao/gitlabhq,SVArago/gitlabhq,icedwater/gitlabhq,shinexiao/gitlabhq,allysonbarros/gitlabhq,Soullivaneuh/gitlabhq,t-zuehlsdorff/gitlabhq,mr-dxdy/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,stoplightio/gitlabhq,icedwater/gitlabhq,jirutka/gitlabhq,Soullivaneuh/gitlabhq,screenpages/gitlabhq,allysonbarros/gitlabhq,LUMC/gitlabhq,t-zuehlsdorff/gitlabhq,SVArago/gitlabhq,dplarson/gitlabhq,iiet/iiet-git,t-zuehlsdorff/gitlabhq,Soullivaneuh/gitlabhq,jirutka/gitlabhq,martijnvermaat/gitlabhq,iiet/iiet-git,htve/GitlabForChinese,SVArago/gitlabhq,axilleas/gitlabhq,screenpages/gitlabhq,dreampet/gitlab,htve/GitlabForChinese,martijnvermaat/gitlabhq,mr-dxdy/gitlabhq,mr-dxdy/gitlabhq,stoplightio/gitlabhq,allysonbarros/gitlabhq,iiet/iiet-git,darkrasid/gitlabhq,t-zuehlsdorff/gitlabhq,mmkassem/gitlabhq,axilleas/gitlabhq,dreampet/gitlab,mr-dxdy/gitlabhq,mmkassem/gitlabhq,shinexiao/gitlabhq,SVArago/gitlabhq,darkrasid/gitlabhq,LUMC/gitlabhq,dreampet/gitlab,martijnvermaat/gitlabhq,screenpages/gitlabhq,htve/GitlabForChinese,axilleas/gitlabhq,jirutka/gitlabhq,stoplightio/gitlabhq,shinexiao/gitlabhq,icedwater/gitlabhq,axilleas/gitlabhq,openwide-java/gitlabhq,darkrasid/gitlabhq,LUMC/gitlabhq,darkrasid/gitlabhq,LUMC/gitlabhq,allysonbarros/gitlabhq,screenpages/gitlabhq,icedwater/gitlabhq,openwide-java/gitlabhq,daiyu/gitlab-zh,openwide-java/gitlabhq,iiet/iiet-git,martijnvermaat/gitlabhq,dplarson/gitlabhq,jirutka/gitlabhq,htve/GitlabForChinese,daiyu/gitlab-zh,dplarson/gitlabhq,dplarson/gitlabhq,daiyu/gitlab-zh,daiyu/gitlab-zh,mmkassem/gitlabhq