Better constrain cover artwork sizes

lib/music_library_web/controllers/stats_html/index.html.heex

@@ -6,7 +6,7 @@
     >
       <dt>
         <img
-          class="absolute max-w-20 rounded-lg shadow"
+          class="absolute w-20 rounded-lg shadow"
           src={~p"/covers/#{@latest_record.id}"}
           alt={@latest_record.title}
         />

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

@@ -37,7 +37,7 @@
   >
     <div class="flex min-w-0 gap-x-4 items-center">
       <img
-        class="max-h-20 max-w-20 flex-none rounded-lg"
+        class="w-20 flex-none rounded-lg"
         alt={record.title}
         src={~p"/covers/#{record.id}?vsn=#{record.cover_hash || ""}"}
       />