[fix] lxc.sh - SC2034: ubu2010_boilerplate appears unused.

  $ make test.sh
  In utils/lxc.sh line 42:
  ubu2010_boilerplate="$ubu1904_boilerplate"
  ^-----------------^ SC2034: ubu2010_boilerplate appears unused. Verify use (or export if used externally).

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

utils/lxc.sh

@@ -39,6 +39,7 @@ $ubu1904_boilerplate
 echo 'Set disable_coredump false' >> /etc/sudo.conf
 "
 
+# shellcheck disable=SC2034
 ubu2010_boilerplate="$ubu1904_boilerplate"
 
 # shellcheck disable=SC2034