[TASK] Use tagmanager

templates/base.html.twig

@@ -109,14 +109,14 @@
 
     {{ encore_entry_script_tags('app') }}
     {% block javascripts %}{% endblock %}
+
+    <!-- Google tag (gtag.js) -->
+    <script async src="https://www.googletagmanager.com/gtag/js?id=G-BH2RGNELV1"></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','https://www.google-analytics.com/analytics.js','ga');
-        ga('create', 'UA-77390203-1', 'auto');
-        ga('set', 'anonymizeIp', true);
-        ga('send', 'pageview');
+    window.dataLayer = window.dataLayer || [];
+    function gtag(){dataLayer.push(arguments);}
+    gtag('js', new Date());
+    gtag('config', 'G-BH2RGNELV1');
     </script>
 
 </body>