Turn off pre-release for 8.3.7 release breanch
Turn off pre-release for 8.3.7 release breanch

neurodebian/htcondor,neurodebian/htcondor,neurodebian/htcondor,neurodebian/htcondor,htcondor/htcondor,neurodebian/htcondor,neurodebian/htcondor,htcondor/htcondor,htcondor/htcondor,neurodebian/htcondor,neurodebian/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,neurodebian/htcondor,htcondor/htcondor,htcondor/htcondor