these 4 paths will be fetched (3.4 KiB download, 8.8 KiB unpacked):
  /nix/store/704d8csvv8fy5jmc9f2lcsdfgnnz1h9d-pg-extensions-catalog
  /nix/store/zhbv9c4iwbmjnw3a66q32ahmi51rgfbi-site-extensions-catalog
  /nix/store/nwnihrsx2gf81gi4xwjwlr1b6xp53wqf-site-extensions-resolve
  /nix/store/xpvrhjry704hzxyljm2s2vylcwfhnd0m-site-extensions-update