chore: update outdated browser page url

Author: vladimyr

index.ejs

@@ -60,7 +60,7 @@ const scripts = (options.scripts || []).map(script => {
   <style>.unsupported-browser { display: none; }</style>
   <div class="unsupported-browser">
     Sorry, your browser is not supported. Please upgrade to the latest version or switch your browser to use this
-    site. See <a href="http://outdatedbrowser.com/" rel="noopener noreferrer">outdatedbrowser.com</a> for options.
+    site. See <a href="https://bestvpn.org/outdatedbrowser/" rel="noopener noreferrer">outdatedbrowser.com</a> for options.
   </div><%
   } %><%
   if (bodyHtmlSnippet) { %>