nixos/update-users-group: treat all file as utf-8
nixos/update-users-group: treat all file as utf-8

Ideally we would treat everything as bytes however our database is
already utf-8 encoded so we need to stay compatible.

NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs