update proxy URL

Author: fulldecent

test/plugin.html-validate.external-links.mjs

@@ -15,7 +15,7 @@ const USER_AGENT =
 // Use your proxy server to check external links
 // This URL must accept a query parameter `url` and return the status code and possibly location: header in the response.
 // Status code 500 is returned if the server is down or timeout.
-const PROXY_URL = "https://api.PacificMedicalTraining.com/link-check/status";
+const PROXY_URL = "https://api.PacificMedicalTraining.com/public/link-check/status";
 
 // html-validate runs check() synchronously, so we can't use async functions like fetch here. Maybe after their
 // version 9 release we can use the fetch API and this parallel approach.