smcroute: 2.4.0 -> 2.4.1

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

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

These checks were done:

- built on NixOS
- /nix/store/919h9vn683b5whq3229sl3f907m1jsik-smcroute-2.4.1/bin/smcroutectl passed the binary check.
- /nix/store/919h9vn683b5whq3229sl3f907m1jsik-smcroute-2.4.1/bin/smcrouted passed the binary check.
- 2 of 2 passed binary check by having a zero exit code.
- 2 of 2 passed binary check by having the new version present in output.
- found 2.4.1 with grep in /nix/store/919h9vn683b5whq3229sl3f907m1jsik-smcroute-2.4.1
- directory tree listing: https://gist.github.com/f35692e1d0eaf5b66e1203fcdc9cdf6d
- du listing: https://gist.github.com/6170a85a1ce970d7ef1388b28005dfee