set check-osc-job to voting
set check-osc-job to voting

this job has caught legitmate failures and has been reliable for
many OSC plugins, it should be voting.

Change-Id: Ib61c3ff4a601585135d4f9f1c848c42171c6f546

Tesora/tesora-project-config,dongwenjuan/project-config,dongwenjuan/project-config,openstack-infra/project-config,openstack-infra/project-config,Tesora/tesora-project-config