Assign pirogue.local and pirogue to 127.0.1.1

It's pretty standard to have 127.0.0.1 match localhost while the actual
machine's name (FQDN and hostname) matches 127.0.1.1 instead.

We would be happy to be told if something similar exists for IPv6!

raspberrypi/recipes/pi3-pi4.sh

@@ -19,7 +19,7 @@ toast_me() {
   rm -f $MNT/etc/ssh/ssh_host_*
   chroot $MNT systemctl enable ssh
   # Change the hostname
-  echo "127.0.0.1 pirogue.local pirogue" >> $MNT/etc/hosts
+  echo "127.0.1.1 pirogue.local pirogue" >> $MNT/etc/hosts
   echo "::1 pirogue.local pirogue"       >> $MNT/etc/hosts
   echo "pirogue" > $MNT/etc/hostname
   # Add PTS PPA