Semi-automatic update generated by https://github.com/ryantm/nix-update tools.
This update was made based on information from https://repology.org/metapackage/stgit/versions.
These checks were done:
- built on NixOS
- ran `/nix/store/fwhfsvfs23x3jwc2wgx805x229vxwd24-stgit-0.18/bin/stg -h` got 0 exit code
- ran `/nix/store/fwhfsvfs23x3jwc2wgx805x229vxwd24-stgit-0.18/bin/stg --help` got 0 exit code
- ran `/nix/store/fwhfsvfs23x3jwc2wgx805x229vxwd24-stgit-0.18/bin/stg help` got 0 exit code
- found 0.18 with grep in /nix/store/fwhfsvfs23x3jwc2wgx805x229vxwd24-stgit-0.18
- directory tree listing: https://gist.github.com/b3a9f7bf9ff22a7858ac4f6e4d7d7be0
fc038883e5