hdparm: 9.54 -> 9.55

Semi-automatic update generated by https://github.com/ryantm/nix-update tools. These checks were done:

- built on NixOS
- ran `/nix/store/9abla9hl91wvxvcbrif9xjhsb164lgxc-hdparm-9.55/bin/hdparm -h` got 0 exit code
- ran `/nix/store/9abla9hl91wvxvcbrif9xjhsb164lgxc-hdparm-9.55/bin/hdparm -V` and found version 9.55
- ran `/nix/store/9abla9hl91wvxvcbrif9xjhsb164lgxc-hdparm-9.55/bin/hdparm -h` and found version 9.55
- found 9.55 with grep in /nix/store/9abla9hl91wvxvcbrif9xjhsb164lgxc-hdparm-9.55
- directory tree listing: https://gist.github.com/ded98c9055722d9f66f8346ae792663c