fix salvador dali url

Author: fonsp

src/images_abstractions/seamcarving.jl

@@ -82,7 +82,7 @@ md"""
 
 # ╔═╡ 3721e7f9-83fa-48cd-a1f5-e72e07b0f7a2
 image_urls = [
-"https://wisetoast.com/wp-content/uploads/2015/10/The-Persistence-of-Memory-salvador-deli-painting.jpg",
+"https://upload.wikimedia.org/wikipedia/en/d/dd/The_Persistence_of_Memory.jpg",
 
 "https://upload.wikimedia.org/wikipedia/commons/thumb/1/17/Gustave_Caillebotte_-_Paris_Street%3B_Rainy_Day_-_Google_Art_Project.jpg/1014px-Gustave_Caillebotte_-_Paris_Street%3B_Rainy_Day_-_Google_Art_Project.jpg",