Update build.func

fix branch

misc/build.func

@@ -497,7 +497,7 @@ EOF
     sleep 2
     pct exec "$CTID" -- ash -c "apk add bash >/dev/null"
   fi
-  lxc-attach -n "$CTID" -- bash -c "$(wget -qLO - https://raw.githubusercontent.com/tteck/Proxmox/dev/install/$var_install.sh)" || exit
+  lxc-attach -n "$CTID" -- bash -c "$(wget -qLO - https://raw.githubusercontent.com/tteck/Proxmox/main/install/$var_install.sh)" || exit
 
 }