Update GA4

Author: murrant

_includes/head.html

@@ -43,14 +43,14 @@
         <script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
         <script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>
     <![endif]-->
+    <!-- Google tag (gtag.js) -->
+    <script async src="https://www.googletagmanager.com/gtag/js?id=G-EKJTG010WH"></script>
     <script>
-        (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
-        (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
-        m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
-        })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+        window.dataLayer = window.dataLayer || [];
+        function gtag(){dataLayer.push(arguments);}
+        gtag('js', new Date());
 
-        ga('create', 'UA-79149977-3', 'www.librenms.org');
-        ga('send', 'pageview', location.pathname+location.search+location.hash);
+        gtag('config', 'G-EKJTG010WH');
     </script>
     <script src="https://cdn.jsdelivr.net/npm/[email protected]/src/arrive.min.js"></script>
     <script src="https://code.jquery.com/jquery-2.1.3.min.js"></script>