Fix ping.php output (librenms#18142)

(probably other scripts need this too, but just hitting them as I see them)

Author: murrant

ping.php

@@ -10,6 +10,8 @@
 
 $options = getopt('fhdvrg:');
 
+Log::setDefaultDriver('console');
+
 if (isset($options['h'])) {
     echo <<<'END'
 ping.php: Usage ping.php [-d] [-v] [-r] [-g group(s)]