chore(deps): update dependency font-awesome to v7

Author: renovate[bot]

_includes/head.html

@@ -51,7 +51,7 @@
 
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Besley:ital,wght@0,400..900;1,400..900&family=Roboto+Slab:wght@100..900&display=swap">  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.7.2/css/all.min.css">
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Besley:ital,wght@0,400..900;1,400..900&family=Roboto+Slab:wght@100..900&display=swap">  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/7.0.0/css/all.min.css">
   <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css">
 
   <link rel="stylesheet" type="text/css" media="screen" href="{{ "/css/main.css" | prepend: site.baseurl }}" />