sigh, update GA4 property tag

Author: codedread

index.html

@@ -438,13 +438,13 @@ <h2>Loading Books</h2>
 </script>
 
 <!-- Google tag (gtag.js) -->
-<script async src="https://www.googletagmanager.com/gtag/js?id=G-ZSDM4PC961"></script>
+<script async src="https://www.googletagmanager.com/gtag/js?id=G-665JQ152W7"></script>
 <script>
   window.dataLayer = window.dataLayer || [];
   function gtag(){dataLayer.push(arguments);}
   gtag('js', new Date());
 
-  gtag('config', 'G-ZSDM4PC961');
+  gtag('config', 'G-665JQ152W7');
 </script>
 
 </html>