Replace deprecated {:discard, _} with {:cancel, _}

lib/music_library/worker/artist_refresh_wikipedia_data.ex

@@ -5,7 +5,7 @@ defmodule MusicLibrary.Worker.ArtistRefreshWikipediaData do
   def perform(%Oban.Job{args: %{"id" => artist_info_id}}) do
     with {:error, :no_english_wikipedia} <-
            MusicLibrary.Artists.refresh_wikipedia_data(artist_info_id) do
-      {:discard, :no_english_wikipedia}
+      {:cancel, :no_english_wikipedia}
     end
   end
 end

lib/music_library/worker/fetch_artist_info.ex

@@ -10,7 +10,7 @@ defmodule MusicLibrary.Worker.FetchArtistInfo do
       MusicLibrary.Artists.refresh_lastfm_data(artist_id)
       MusicLibrary.Records.regenerate_artist_embeddings(artist_id)
     else
-      {:error, :no_english_wikipedia} -> {:discard, :no_english_wikipedia}
+      {:error, :no_english_wikipedia} -> {:cancel, :no_english_wikipedia}
       error -> error
     end
   end