releaseTools.debBuild: fix invocation
releaseTools.debBuild: fix invocation

Somewhere after #110628, which replaced stdenv.lib with lib, up to
bug #134572, lib got removed from the argument list, breaking any
invocations of debBuild. This adds it back.

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