galen: 2.3.0 -> 2.3.6

Semi-automatic update. These checks were performed:

- built on NixOS
- ran `/nix/store/sp59abnhzpg7zdn66207wizb57dy4fxx-galen-2.3.6/bin/galen -h` got 0 exit code
- ran `/nix/store/sp59abnhzpg7zdn66207wizb57dy4fxx-galen-2.3.6/bin/galen --help` got 0 exit code
- ran `/nix/store/sp59abnhzpg7zdn66207wizb57dy4fxx-galen-2.3.6/bin/galen help` got 0 exit code
- ran `/nix/store/sp59abnhzpg7zdn66207wizb57dy4fxx-galen-2.3.6/bin/galen -v` and found version 2.3.6
- ran `/nix/store/sp59abnhzpg7zdn66207wizb57dy4fxx-galen-2.3.6/bin/galen --version` and found version 2.3.6
- ran `/nix/store/sp59abnhzpg7zdn66207wizb57dy4fxx-galen-2.3.6/bin/galen version` and found version 2.3.6
- found 2.3.6 in filename of file in /nix/store/sp59abnhzpg7zdn66207wizb57dy4fxx-galen-2.3.6

cc ""