message: cmake: Upgrade cable.cmake to 0.5.0
diff: -#!/usr/bin/cmake -P
  +#!/usr/bin/env -S cmake -P
  # Cable: CMake Bootstrap Library <https://github.com/ethereum/cable>
  -# Copyright 2019 Pawel Bylica.
  +# Copyright 2019-2020 Pawel Bylica.
  # Licensed under the Apache License, Version 2.0.
  # The cable command-line tool, version 1.0.0
  