Update dependencies

app/Integration/Sendgrid.php

@@ -2,7 +2,6 @@
 
 namespace Integration;
 
-use HTML_To_Markdown;
 use Core\Tool;
 
 /**
@@ -79,8 +78,7 @@ class Sendgrid extends \Core\Base
 
         // Get the Markdown contents
         if (! empty($payload['html'])) {
-            $markdown = new HTML_To_Markdown($payload['html'], array('strip_tags' => true));
-            $description = $markdown->output();
+            $description = $this->htmlConverter->convert($payload['html']);
         }
         else if (! empty($payload['text'])) {
             $description = $payload['text'];