💡 fix: Update Google Tag Manager ID

Update the Google Tag Manager script source and config ID.
Ensures correct tracking code is used for analytics purposes.

src/components/GoogleTagManager.tsx

@@ -3,14 +3,14 @@ import { Helmet } from 'react-helmet'
 
 const GoogleTagManager : React.FC = () => (
   <Helmet>
-    <script async src="https://www.googletagmanager.com/gtag/js?id=G-BS9JTT28QP"></script>
+    <script async src="https://www.googletagmanager.com/gtag/js?id=G-XF268T88NJ"></script>
     <script>
       { `
         window.dataLayer = window.dataLayer || [];
         function gtag(){dataLayer.push(arguments);}
         gtag('js', new Date());
 
-        gtag('config', 'G-BS9JTT28QP');
+        gtag('config', 'G-XF268T88NJ');
       ` }
     </script>
   </Helmet>