Update haos-vm.sh (#1940)

Dev OS builds have been moved to a new server

vm/haos-vm.sh

@@ -386,7 +386,7 @@ msg_ok "Using ${CL}${BL}$STORAGE${CL} ${GN}for Storage Location."
 msg_ok "Virtual Machine ID is ${CL}${BL}$VMID${CL}."
 msg_info "Retrieving the URL for Home Assistant ${BRANCH} Disk Image"
 if [ "$BRANCH" == "$dev" ]; then
-  URL=https://os-builds.home-assistant.io/${BRANCH}/haos_ova-${BRANCH}.qcow2.xz
+  URL=https://os-artifacts.home-assistant.io/${BRANCH}/haos_ova-${BRANCH}.qcow2.xz
 else
   URL=https://github.com/home-assistant/operating-system/releases/download/${BRANCH}/haos_ova-${BRANCH}.qcow2.xz
 fi