python3Packages.pwntools: disable update checking (#447428)

    # Upstream hardcoded the check for the command `gdb-multiarch`;

    # Forcefully use the provided debugger as `gdb`.

    sed -i 's/gdb-multiarch/${debuggerName}/' pwnlib/gdb.py

    # Disable update checks

    substituteInPlace pwnlib/update.py \

      --replace-fail 'disabled        = False' 'disabled        = True'

  '';

  nativeBuildInputs = [ installShellFiles ];