Add support for 2400x2400 px cover sizes from Audible if available

Development Web Sources Discussion
1

i found the highest resolution images that the api will return is 2400 so i edited the script to use it Comparing main...highest-resolution-images · binyaminyblatt/mp3tag-Audible-via-API · GitHub

2

Thanks! I've updated the official tag source with the changes to support cover art in 2400px if available.