neofetch: 4.0.0 -> 4.0.2

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

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

These checks were done:

- built on NixOS
- /nix/store/3ys3zndn1cz0s05p84hn6djrzbb9pmlg-neofetch-4.0.2/bin/neofetch 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 4.0.2 with grep in /nix/store/3ys3zndn1cz0s05p84hn6djrzbb9pmlg-neofetch-4.0.2
- directory tree listing: https://gist.github.com/33741fc29ddd44c6fb85d08f2f1a04d5
- du listing: https://gist.github.com/ebad77e50a02ef38e4df2b5db0a93c4f