Update VERSION to 8.17.0-pre
Update VERSION to 8.17.0-pre

dreampet/gitlab,dplarson/gitlabhq,stoplightio/gitlabhq,t-zuehlsdorff/gitlabhq,dplarson/gitlabhq,openwide-java/gitlabhq,htve/GitlabForChinese,axilleas/gitlabhq,jirutka/gitlabhq,stoplightio/gitlabhq,openwide-java/gitlabhq,darkrasid/gitlabhq,mmkassem/gitlabhq,axilleas/gitlabhq,jirutka/gitlabhq,iiet/iiet-git,dreampet/gitlab,openwide-java/gitlabhq,iiet/iiet-git,iiet/iiet-git,mmkassem/gitlabhq,mmkassem/gitlabhq,htve/GitlabForChinese,LUMC/gitlabhq,darkrasid/gitlabhq,LUMC/gitlabhq,iiet/iiet-git,jirutka/gitlabhq,dreampet/gitlab,jirutka/gitlabhq,dplarson/gitlabhq,dplarson/gitlabhq,axilleas/gitlabhq,mmkassem/gitlabhq,LUMC/gitlabhq,t-zuehlsdorff/gitlabhq,darkrasid/gitlabhq,LUMC/gitlabhq,dreampet/gitlab,stoplightio/gitlabhq,t-zuehlsdorff/gitlabhq,darkrasid/gitlabhq,htve/GitlabForChinese,axilleas/gitlabhq,stoplightio/gitlabhq,t-zuehlsdorff/gitlabhq,htve/GitlabForChinese,openwide-java/gitlabhq