these 4 paths will be fetched (3.4 KiB download, 8.8 KiB unpacked):
  /nix/store/cc5mk2l440y7hgzdrfkpmj7snnkb11lk-pg-extensions-catalog
  /nix/store/8mw0kfv4dd4rzpwf8axk3551bm9ssbwk-site-extensions-catalog
  /nix/store/nwnihrsx2gf81gi4xwjwlr1b6xp53wqf-site-extensions-resolve
  /nix/store/xpvrhjry704hzxyljm2s2vylcwfhnd0m-site-extensions-update