Update create_release pipeline grep
Update create_release pipeline grep

Use anchor to target gets of pcf-pipelines from Git.

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