Semi-automatic update generated by https://github.com/ryantm/nix-update tools. These checks were done:
- built on NixOS
- ran `/nix/store/xlf49a3742xgl9zhl6v5s31fc6gv2k9h-virtuoso-opensource-7.2.4.2/bin/virtuoso-t help` got 0 exit code
- ran `/nix/store/xlf49a3742xgl9zhl6v5s31fc6gv2k9h-virtuoso-opensource-7.2.4.2/bin/isql --help` got 0 exit code
- ran `/nix/store/xlf49a3742xgl9zhl6v5s31fc6gv2k9h-virtuoso-opensource-7.2.4.2/bin/isqlw --help` got 0 exit code
- ran `/nix/store/xlf49a3742xgl9zhl6v5s31fc6gv2k9h-virtuoso-opensource-7.2.4.2/bin/inifile help` got 0 exit code
- found 7.2.4.2 with grep in /nix/store/xlf49a3742xgl9zhl6v5s31fc6gv2k9h-virtuoso-opensource-7.2.4.2
- directory tree listing: https://gist.github.com/dcd661201732277a82f8e3f4e4263587