these 4 paths will be fetched (3.9 KiB download, 10.9 KiB unpacked):
  /nix/store/bxp0slwpxnwhhwffg6cq2iz9l6d96in8-pg-extensions-catalog
  /nix/store/y82pglhwmbhqk983yx9rlfml7i8qg1r6-site-extensions-catalog
  /nix/store/nwnihrsx2gf81gi4xwjwlr1b6xp53wqf-site-extensions-resolve
  /nix/store/xpvrhjry704hzxyljm2s2vylcwfhnd0m-site-extensions-update