Fix a typo.

Author: dadish

src/Field/Page/Fieldtype/FieldtypePageTitleLanguage.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace ProcessWire\GraphL\Field\Page\Fieldtype;
+namespace ProcessWire\GraphQL\Field\Page\Fieldtype;
 
 use ProcessWire\GraphQL\Field\Page\Fieldtype\FieldtypePageTitle;