Match space with POSIX sed when bumping via bumpr
Match space with POSIX sed when bumping via bumpr

`\s` will match a space via GNU sed but not the version of sed that
ships with Mac OS X or BSD.

HyperGroups/pelican,lucasplus/pelican,koobs/pelican,JeremyMorgan/pelican,TC01/pelican,gymglish/pelican,deved69/pelican-1,getpelican/pelican,zackw/pelican,Scheirle/pelican,florianjacob/pelican,iKevinY/pelican,florianjacob/pelican,rbarraud/pelican,joetboole/pelican,jimperio/pelican,treyhunner/pelican,eevee/pelican,lucasplus/pelican,ingwinlu/pelican,JeremyMorgan/pelican,talha131/pelican,koobs/pelican,garbas/pelican,Rogdham/pelican,ehashman/pelican,eevee/pelican,kennethlyn/pelican,51itclub/pelican,kennethlyn/pelican,GiovanniMoretti/pelican,UdeskDeveloper/pelican,gymglish/pelican,TC01/pelican,deanishe/pelican,GiovanniMoretti/pelican,eevee/pelican,simonjj/pelican,avaris/pelican,catdog2/pelican,simonjj/pelican,abrahamvarricatt/pelican,douglaskastle/pelican,lucasplus/pelican,Summonee/pelican,rbarraud/pelican,ehashman/pelican,treyhunner/pelican,UdeskDeveloper/pelican,deanishe/pelican,florianjacob/pelican,ls2uper/pelican,HyperGroups/pelican,koobs/pelican,Rogdham/pelican,lazycoder-ru/pelican,joetboole/pelican,deved69/pelican-1,simonjj/pelican,farseerfc/pelican,ls2uper/pelican,treyhunner/pelican,number5/pelican,farseerfc/pelican,GiovanniMoretti/pelican,JeremyMorgan/pelican,getpelican/pelican,karlcow/pelican,levanhien8/pelican,Scheirle/pelican,levanhien8/pelican,gymglish/pelican,51itclub/pelican,jvehent/pelican,jimperio/pelican,deanishe/pelican,karlcow/pelican,karlcow/pelican,Summonee/pelican,garbas/pelican,iKevinY/pelican,zackw/pelican,levanhien8/pelican,catdog2/pelican,ls2uper/pelican,rbarraud/pelican,Polyconseil/pelican,douglaskastle/pelican,douglaskastle/pelican,jvehent/pelican,Summonee/pelican,kennethlyn/pelican,ingwinlu/pelican,HyperGroups/pelican,abrahamvarricatt/pelican,jvehent/pelican,number5/pelican,garbas/pelican,51itclub/pelican,talha131/pelican,joetboole/pelican,alexras/pelican,abrahamvarricatt/pelican,TC01/pelican,catdog2/pelican,Rogdham/pelican,Scheirle/pelican,deved69/pelican-1,alexras/pelican,lazycoder-ru/pelican,jimperio/pelican,avaris/pelican,zackw/pelican,Polyconseil/pelican,ehashman/pelican,UdeskDeveloper/pelican,number5/pelican,alexras/pelican,lazycoder-ru/pelican