pstoedit: 3.71 -> 3.73 (#41528)

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

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

These checks were done:

- built on NixOS
- Warning: no invocation of /nix/store/m0nhahi727p7jwnxysk68svbyxv17k8m-pstoedit-3.73/bin/pstoedit had a zero exit code or showed the expected version
- 0 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 3.73 with grep in /nix/store/m0nhahi727p7jwnxysk68svbyxv17k8m-pstoedit-3.73
- directory tree listing: https://gist.github.com/4da3ca3d5e74c32b039a23ccafc88d68
- du listing: https://gist.github.com/66649e7e80a80f79059715f8158aff56