Update package registry URL.
Update package registry URL.

dreamsxin/dub,y12uc231/dub,p0nce/dub,grogancolin/dub,Flamaros/dub,jelmansouri/dub,Abscissa/dub,D-Programming-Language/dub,jeanbaptistelab/dub,Geod24/dub,alexeibs/dub,rjframe/dub,gedaiu/dub,nazriel/dub,xentec/dub,schuetzm/dub,Abscissa/dub-data-mod