jackett: 0.8.1070 -> 0.8.1138

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/jackett/versions.

These checks were done:

- built on NixOS
- /nix/store/qrcg5rrhydf0622l7s9m8n87x2w2az2j-jackett-0.8.1138/bin/Jackett passed the binary check.
- 1 of 1 passed binary check by having a zero exit code.
- 0 of 1 passed binary check by having the new version present in output.
- found 0.8.1138 with grep in /nix/store/qrcg5rrhydf0622l7s9m8n87x2w2az2j-jackett-0.8.1138
- directory tree listing: https://gist.github.com/59f09486090429273b9aa0822ca9440e
- du listing: https://gist.github.com/d25094cef4e9313932610108d54d6128