Update Codecov's scraping to use SVG
Update Codecov's scraping to use SVG

See #368

Daniel15/shields,jennifer421/shields,jennifer421/shields,driskell/shields,andyshinn/shields,freezy-sk/shields,IveWong/shields,driskell/shields,wanji/shields,Borgaard/shields,roomthily/shields,szepeviktor/shields,wanji/shields,Miovision/shields,piperchester/shields,sebyddd/shields,badges/shields,adjohnson916/shields,gcochard/shields,spalger/shields,rayners/shields,allenmanning/shields,IveWong/shields,rayners/shields,MGDIS/shields,marktopper/shields,Miovision/shields,HossainKhademian/Shields,MatzFan/shields,MatzFan/shields,allenmanning/shields,rmuhamedgaliev/shields,bishop335/shields,sanemat/shields,badges/shields,spalger/shields,Miovision/shields,PeeHaa/shields,RIAEvangelist/shields,pine613/shields,tomap/shields,workhorsy/shields,zackp30/shields,malditogeek/shields,igormukhingmailcom/shields,zackp30/shields,mkiisoft/shields,szepeviktor/shields,rmuhamedgaliev/shields,bishop335/shields,clintonhalpin/shields,malditogeek/shields,tomap/shields,adjohnson916/shields,sanemat/shields,freezy-sk/shields,roomthily/shields,krak3n/shields,badges/shields,mahirk/shields,gcochard/shields,mahirk/shields,krak3n/shields,marktopper/shields,andyshinn/shields,rexxars/shields,pine613/shields,sebyddd/shields,Daniel15/shields,Borgaard/shields,clintonhalpin/shields,workhorsy/shields,dnvriend/shields,mateusrevoredo/shields,RIAEvangelist/shields,HossainKhademian/Shields,piperchester/shields,dnvriend/shields,mkiisoft/shields,PeeHaa/shields,mateusrevoredo/shields,MGDIS/shields,igormukhingmailcom/shields,rexxars/shields