criu: 3.8.1 -> 3.9

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

This update was made based on information from https://repology.org/metapackage/criu/versions.

These checks were done:

- built on NixOS
- Warning: no invocation of /nix/store/31grlhm7igrgi29fhmndki41a8f87cvs-criu-3.9/bin/crit had a zero exit code or showed the expected version
- /nix/store/31grlhm7igrgi29fhmndki41a8f87cvs-criu-3.9/bin/compel passed the binary check.
- /nix/store/31grlhm7igrgi29fhmndki41a8f87cvs-criu-3.9/bin/criu passed the binary check.
- 2 of 3 passed binary check by having a zero exit code.
- 0 of 3 passed binary check by having the new version present in output.
- found 3.9 with grep in /nix/store/31grlhm7igrgi29fhmndki41a8f87cvs-criu-3.9
- directory tree listing: https://gist.github.com/5db13cedfd351a5d1fd8ed3d70ccbac3
- du listing: https://gist.github.com/3a064c8b51705c90c1093a81ab9495ee