update privacy link (#994)

Author: victordibia

website/docusaurus.config.js

@@ -100,7 +100,7 @@ module.exports = {
           ],
         },
       ],
-      copyright: `Copyright © ${new Date().getFullYear()} AutoGen Authors |  <a target="_blank" href="https://privacy.microsoft.com/en-us/privacystatement">Privacy and Cookies</a>`,
+      copyright: `Copyright © ${new Date().getFullYear()} AutoGen Authors |  <a target="_blank" href="http://go.microsoft.com/fwlink/?LinkId=518021">Privacy and Cookies</a>`,
     },
   },
   presets: [