Update message.blade.php (#50224)

Using recommended method defined in latest docs

Author: goigarg

src/Illuminate/Mail/resources/views/html/message.blade.php

@@ -21,7 +21,7 @@
 {{-- Footer --}}
 <x-slot:footer>
 <x-mail::footer>
-© {{ date('Y') }} {{ config('app.name') }}. @lang('All rights reserved.')
+© {{ date('Y') }} {{ config('app.name') }}. {{ __('All rights reserved.') }}
 </x-mail::footer>
 </x-slot:footer>
 </x-mail::layout>