use module script type for global-privacy-control script

to fix error about using import statement

Author: mm-jpoole

layouts/partials/head.html

@@ -37,6 +37,7 @@
   <script
     async
     src="https://www.maxmind.com/js/global-privacy-control.js"
+    type="module"
   ></script>
   {{ template "_internal/opengraph.html" . }}
 </head>