Option "--connect-timeout" used to determine external IP covers only
connection phase. Curl may "hans" in a different phase and this makes
login to the system impossible if MOTD "header" module enabled.
Using "--max-time" is more reliable and prevents hanging for hours.
Fixes issue https://github.com/armbian/build/issues/7753
Signed-off-by: Uladzimir Bely <wiselord1983@gmail.com>
12d6d070ba