fix: telefones em formato internacional (+351) nos links tel: e no JSON-LD

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

site/includes/seo.php

@@ -9,7 +9,7 @@ $ld = [
     'image'    => base_url('site/assets/img/home.jpg'),
     'logo'     => base_url('site/assets/img/logos/logo_black.svg'),
 ];
-if (!empty($info['phone'])) $ld['telephone'] = $info['phone'];
+if (!empty($info['phone'])) $ld['telephone'] = site_tel($info['phone']);
 if (!empty($info['email'])) $ld['email']     = $info['email'];
 if (!empty($info['adress'])) {
     $ld['address'] = [