Update treemap to [email protected]

Author: connorjclark

treemap/index.html

@@ -50,7 +50,7 @@ <h1 class="treemap-placeholder__heading">Lighthouse Treemap</h1>
           <path fill="#FF3" d="M20.5 10h7v7h-7z"/>
         </svg>
 
-        <span class="lh-header--title lh-text-dim">Lighthouse Treemap</span>
+        <span class="lh-header--title lh-text-bold">Lighthouse Treemap</span>
       </div>
 
       <div class="lh-header__url">