innoextract: 1.6 -> 1.7

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

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

These checks were done:

- built on NixOS
- /nix/store/xwz5h6cg32nl698gqa8xajimdl5dy3pw-innoextract-1.7/bin/innoextract 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 1.7 with grep in /nix/store/xwz5h6cg32nl698gqa8xajimdl5dy3pw-innoextract-1.7
- directory tree listing: https://gist.github.com/9339747cc50492bc9ca2c38a4971b3c6
- du listing: https://gist.github.com/d275e3e2902e51ec26277a19a8479ad9