migrations/v16: use continue not return for bad records
migrations/v16: use continue not return for bad records

ForxaCoLab/forxa,liliexuan/gogs,ForxaCoLab/forxa,mukaiu/gogs,dancewing/gogs,pikacloud/pikacode,psaavedra/gogs,psaavedra/gogs,dancewing/gogs,wangjild/gogs,ForxaCoLab/forxa,dancewing/gogs,mukaiu/gogs,xaionaro/gogs,xaionaro/gogs,linquize/gogs,gogits/gogs,gogits/gogs,wangjild/gogs,linquize/gogs,liliexuan/gogs,liliexuan/gogs,cgars/gogs,chriswatt/gogs,linquize/gogs,cgars/gogs,pikacloud/pikacode,pikacloud/pikacode,chriswatt/gogs,chriswatt/gogs,psaavedra/gogs,dancewing/gogs,mukaiu/gogs,wangjild/gogs,gogits/gogs,xaionaro/gogs,cgars/gogs