use the correct translation for cancellations

* Some languages have different words for cancelling an action vs
  cancelling an invoice.

resources/lang/en-GB/documents.php

@@ -10,6 +10,10 @@ return [
     'billing'                   => 'Billing',
     'advanced'                  => 'Advanced',
 
+    'actions' => [
+        'cancel'                => 'Cancel',
+    ],
+
     'invoice_detail' => [
         'marked'                => '<b>You</b> marked this invoice as',
         'services'              => 'Services',

resources/views/components/documents/show/more-buttons.blade.php

@@ -113,7 +113,7 @@
                 <x-dropdown.divider />
 
                 <x-dropdown.link href="{{ route($cancelledRoute, $document->id) }}" id="show-more-actions-cancel-{{ $document->type }}">
-                    {{ trans('general.cancel') }}
+                    {{ trans('documents.actions.cancel') }}
                 </x-dropdown.link>
             @endcan
         @endif