docs(readme): update GitCDN links (#11143)
docs(readme): update GitCDN links (#11143)

fixes #11141
marekmicek/material,angular/material,Splaktar/material,marekmicek/material,imjoeco/material,angular/material,miguelcobain/material,imjoeco/material,hayloft/material,Splaktar/material,bluebirdtech/material,Splaktar/material,ServiceManagementGroup/material,oostmeijer/material,miguelcobain/material,clshortfuse/material,bluebirdtech/material,oostmeijer/material,vertazzar/material,oostmeijer/material,vertazzar/material,clshortfuse/material,clshortfuse/material,miguelcobain/material,hayloft/material,imjoeco/material,oostmeijer/material,miguelcobain/material,marekmicek/material,hayloft/material,hayloft/material,angular/material,marekmicek/material,vertazzar/material,bluebirdtech/material,clshortfuse/material,angular/material,Splaktar/material,ServiceManagementGroup/material,vertazzar/material,bluebirdtech/material,imjoeco/material,ServiceManagementGroup/material,ServiceManagementGroup/material