igv: 2.4.9 -> 2.4.10

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

This update was made based on information from https://repology.org/metapackage/igv/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 2.4.10 with grep in /nix/store/171fy8d969ynn0m74xi7dxvrbv9di37z-igv-2.4.10
- directory tree listing: https://gist.github.com/9164cca651385e7845f2ac52628d5ad7