Semi-automatic update generated by https://github.com/ryantm/nix-update tools. 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 0.9.96 with grep in /nix/store/hy3dyckwbq8x0ylgydqf3hsd0yyj38mf-otter-browser-0.9.96
- directory tree listing: https://gist.github.com/3ba5ac755cab96acd876703e94dff4b4