stack-monitor: published url now indicates index.cgi

stack/monitor/monitor.cfg.in

@@ -251,5 +251,5 @@ wrapper-path = $${directory:bin}/cgi-httpd
 
 [publish-connection-informations]
 recipe = slapos.cookbook:publish
-monitor_url = https://[$${cgi-httpd-configuration-file:listening-ip}]:$${cgi-httpd-configuration-file:listening-port}/index.html
+monitor_url = https://[$${cgi-httpd-configuration-file:listening-ip}]:$${cgi-httpd-configuration-file:listening-port}/index.cgi
 IMPORTANT_monitor_info = change the monitor_password as soon as possible ! Default is : $${public:monitor-password}