Update Kirby and Composer dependencies

kirby/config/areas/system/views.php

@@ -1,5 +1,6 @@
 <?php
 
+use Kirby\Http\Server;
 
 return [
     'system' => [
@@ -37,7 +38,7 @@ return [
                     'plugins' => $plugins,
                     'php'     => phpversion(),
                     'server'  => $system->serverSoftware(),
-                    'ssl'     => Server::https(),
+                    'https'   => Server::https(),
                     'version' => $kirby->version(),
                 ]
             ];