Fix up scrubbing pull requests to not inadvertently close unmerged requests.
Fix up scrubbing pull requests to not inadvertently close unmerged requests.

mmnelemane/crowbar,rsalevsky/crowbar,rsalevsky/crowbar,MaximilianMeister/crowbar,tserong/crowbar,aplanas/crowbar,SUSE-Cloud/crowbar,rhafer/crowbar,toabctl/crowbar,aplanas/crowbar,crowbar/crowbar,nkrinner/crowbar,aspiers/crowbar,SUSE-Cloud/crowbar,dirkmueller/crowbar,rhafer/crowbar,crowbar/crowbar,nkrinner/crowbar,mmnelemane/crowbar,tserong/crowbar,vwallfahrer/crowbar,dirkmueller/crowbar,MaximilianMeister/crowbar,rhafer/crowbar,toabctl/crowbar,aspiers/crowbar,vwallfahrer/crowbar