Change default LDAP logging level to debug (#3141)

Logging every LDAP query is more in line with our `debug` log level
usages rather than our `info` log level usages.

Author: williamjallen

config/ldap.php

@@ -56,7 +56,7 @@
     'logging' => [
         'enabled' => env('LDAP_LOGGING', true),
         'channel' => env('LOG_CHANNEL', 'stack'),
-        'level' => env('LOG_LEVEL', 'info'),
+        'level' => env('LOG_LEVEL', 'debug'),
     ],
 
     /*