Update "bin/drydock command" help text to use more standard quoting

Summary: Ref T13676. Modern conventions quote flags in help text.

Test Plan: Read text.

Subscribers: PHID-OPKG-gm6ozazyms6q6i22gyam

Maniphest Tasks: T13676

Differential Revision: https://secure.phabricator.com/D21797

src/applications/drydock/management/DrydockManagementCommandWorkflow.php

@@ -27,8 +27,7 @@ final class DrydockManagementCommandWorkflow
     if (!$lease_id) {
       throw new PhutilArgumentUsageException(
         pht(
-          'Use %s to specify a lease.',
-          '--lease'));
+          'Use "--lease" to specify a lease.'));
     }
 
     $argv = $args->getArg('argv');