Update archlinux.sh

update PVE_CHECK
fixes https://github.com/tteck/Proxmox/issues/1625

ct/archlinux.sh

@@ -65,9 +65,9 @@ function msg_error() {
 }
 
 function PVE_CHECK() {
-if [ $(pveversion | grep -c "pve-manager/7\.[0-9]") -eq 0 ]; then
+  if ! pveversion | grep -Eq "pve-manager/(7\.[2-9]|8\.[0-9])"; then
     echo -e "${CROSS} This version of Proxmox Virtual Environment is not supported"
-  echo -e "Requires PVE Version 7.0 or higher"
+    echo -e "Requires PVE Version 7.2 or higher"
     echo -e "Exiting..."
     sleep 2
     exit