pam_u2f: 1.0.5 -> 1.0.6

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

This update was made based on information from https://repology.org/metapackage/pam_u2f/versions.

These checks were done:

- built on NixOS
- ran ‘/nix/store/diyxvz87ashi10zx97b0dyl2hsr6f9bh-pam_u2f-1.0.6/bin/pamu2fcfg -h’ got 0 exit code
- ran ‘/nix/store/diyxvz87ashi10zx97b0dyl2hsr6f9bh-pam_u2f-1.0.6/bin/pamu2fcfg --help’ got 0 exit code
- ran ‘/nix/store/diyxvz87ashi10zx97b0dyl2hsr6f9bh-pam_u2f-1.0.6/bin/pamu2fcfg -V’ and found version 1.0.6
- ran ‘/nix/store/diyxvz87ashi10zx97b0dyl2hsr6f9bh-pam_u2f-1.0.6/bin/pamu2fcfg --version’ and found version 1.0.6
- found 1.0.6 with grep in /nix/store/diyxvz87ashi10zx97b0dyl2hsr6f9bh-pam_u2f-1.0.6
- directory tree listing: https://gist.github.com/7d4bb96a876d359bc67f88a024a674f8