opencpn: 4.8.2 -> 4.8.4
Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.
This update was made based on information from https://repology.org/metapackage/opencpn/versions.
These checks were done:
- built on NixOS
- Warning: no binary found that responded to help or version flags. (This warning appears even if the package isn't expected to have binaries.)
- found 4.8.4 with grep in /nix/store/jlmxcb41bg1v2blsl2vgbjszaafkcvgv-opencpn-4.8.4
- directory tree listing: https://gist.github.com/8becdf1d24e33d05a2f0afdac7c9d764
efbbd81962