Use link+navigate instead of a+href

Makes application more performant as it avoids re-establishing a
connection.

lib/music_library_web/live/stats_live/index.html.heex

@@ -32,12 +32,12 @@
         {Record.format_long_label(format)}
       </dt>
       <dd class="mt-1 text-center">
-        <a
+        <.link
           class="text-xl lg:text-2xl font-semibold hover:text-zinc-500 dark:text-zinc-300 dark:hover:text-zinc-200"
-          href={~p"/collection?query=format:#{format}"}
+          navigate={~p"/collection?query=format:#{format}"}
         >
           {count}
-        </a>
+        </.link>
       </dd>
     </div>
   </dl>
@@ -57,12 +57,12 @@
         {Record.type_long_label(type)}
       </dt>
       <dd class="mt-1 text-center">
-        <a
+        <.link
           class="text-xl lg:text-2xl font-semibold hover:text-zinc-500 dark:text-zinc-300 dark:hover:text-zinc-200"
-          href={~p"/collection?query=type:#{type}"}
+          navigate={~p"/collection?query=type:#{type}"}
         >
           {count}
-        </a>
+        </.link>
       </dd>
     </div>
   </dl>