feat: only store first 10 recently played songs in payload

Signed-off-by: Matt Gleich <git@mattglei.ch>

internal/apis/applemusic/recent.go

@@ -16,5 +16,5 @@ func fetchRecentlyPlayed() ([]song, error) {
 	for _, s := range response.Data {
 		songs = append(songs, songFromSongResponse(s))
 	}
-	return songs, nil
+	return songs[10:], nil
 }