Improve meta and error handling for background cover refreshing

lib/music_library/worker/refresh_cover.ex

@@ -1,11 +1,12 @@
 defmodule MusicLibrary.Worker.RefreshCover do
-  use Oban.Worker, queue: :default
+  use Oban.Worker, queue: :default, max_attempts: 3
 
   @impl Oban.Worker
   def perform(%Oban.Job{args: %{"id" => record_id}}) do
     record = MusicLibrary.Records.get_record!(record_id)
-    {:ok, new_record} = MusicLibrary.Records.refresh_cover(record)
-    MusicLibrary.Records.notify_update(new_record)
-    :ok
+
+    with {:ok, updated_record} <- MusicLibrary.Records.refresh_cover(record) do
+      MusicLibrary.Records.notify_update(updated_record)
+    end
   end
 end