Use empty glob for non-required pivnet resource gets
Use empty glob for non-required pivnet resource gets

These gets are in place to trigger the pipeline, but no files need to be
downloaded. The empty glob and the trigger should hopefully signify that.

sandyg1/pcf-pipelines,pvsone/pcf-pipelines,sandyg1/pcf-pipelines,pivotal-cf/pcf-pipelines,rahulkj/pcf-pipelines,beibeiyang/pcf-pipelines,mcb/pcf-pipelines,cah-josephgeorge/pcf-pipelines,sandyg1/pcf-pipelines,pivotal-cf/pcf-pipelines,pivotal-cf/pcf-pipelines,mcb/pcf-pipelines,cah-josephgeorge/pcf-pipelines,pvsone/pcf-pipelines,BrianMMcClain/pcf-pipelines,cah-josephgeorge/pcf-pipelines,rahulkj/pcf-pipelines,pivotal-cf/pcf-pipelines,sandyg1/pcf-pipelines,mcb/pcf-pipelines,pvsone/pcf-pipelines,rahulkj/pcf-pipelines,rahulkj/pcf-pipelines,beibeiyang/pcf-pipelines,BrianMMcClain/pcf-pipelines