Increase email header logo size from 40px to 140px

40px made the logo too small in the header banner.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

templates/emails/layout.html.twig

@@ -12,7 +12,7 @@
             <table role="presentation" width="600" cellpadding="0" cellspacing="0" style="max-width:600px; width:100%; background-color:#ffffff; border-radius:8px; overflow:hidden;">
                 <tr>
                     <td align="center" style="background-color:#3a7ca5; padding:24px;">
-                        <img src="{{ absolute_url(asset('images/logo.png')) }}" alt="{{ 'site.name'|trans }}" height="40" style="display:block; border:0;">
+                        <img src="{{ absolute_url(asset('images/logo.png')) }}" alt="{{ 'site.name'|trans }}" height="140" style="display:block; border:0;">
                     </td>
                 </tr>
                 <tr>