bump dependency - async to ~1.4
bump dependency - async to ~1.4

viskin/cdnjs,paleozogt/cdnjs,ematsusaka/cdnjs,iros/cdnjs,gokuale/cdnjs,viskin/cdnjs,gokuale/cdnjs,dhenson02/cdnjs,xymostech/cdnjs,jackdoyle/cdnjs,peteygao/cdnjs,calvinf/cdnjs,sujonvidia/cdnjs,xymostech/cdnjs,paleozogt/cdnjs,xymostech/cdnjs,pcarrier/cdnjs,ematsusaka/cdnjs,khasinski/cdnjs,mgoldsborough/cdnjs,mgoldsborough/cdnjs,viskin/cdnjs,freak3dot/cdnjs,iros/cdnjs,nareshs435/cdnjs,AlexisArce/cdnjs,freak3dot/cdnjs,AlexisArce/cdnjs,peteygao/cdnjs,khasinski/cdnjs,GaryChamberlain/cdnjs,xymostech/cdnjs,GaryChamberlain/cdnjs,dhenson02/cdnjs,dhenson02/cdnjs,ljharb/cdnjs,aashish24/cdnjs,zhangbg/cdnjs,tresni/cdnjs,sujonvidia/cdnjs,gaearon/cdnjs,schoren/cdnjs,xymostech/cdnjs,calvinf/cdnjs,viskin/cdnjs,viskin/cdnjs,jackdoyle/cdnjs,zhangbg/cdnjs,gaearon/cdnjs,pcarrier/cdnjs,dhowe/cdnjs,nareshs435/cdnjs,dhowe/cdnjs,ljharb/cdnjs,tresni/cdnjs,dhenson02/cdnjs,aashish24/cdnjs,peteygao/cdnjs,tmorin/cdnjs,tmorin/cdnjs,schoren/cdnjs