The packages are HTTP, Gumbo, Cascadia, Dates, KissThreading and JSON. They can be installed with the following.
using Pkg
Pkg.add("HTTP")
Pkg.add("Gumbo")
Pkg.add("Cascadia")
Pkg.add("KissThreading")
Pkg.add("JSON")
The scraping utilises threading and can be run using the following.
julia --threads 40 scraping.ji
If there is an 403 the cookie in resources/headers.json may need to be updated.