message: Add message when downloading cmake/git/nuget
diff: @@ -67,14 +67,18 @@ namespace vcpkg
  const fs::path& expected_downloaded_path,
  const std::array<int, 3>& version)
  {
  + const std::string version_as_string = Strings::format("%d.%d.%d", version[0], version[1], version[2]);
  + System::println("A suitable version of %s was not found (required v%s). Downloading portable %s v%s...",
  + Strings::to_utf8(tool_name),
  + version_as_string,
  + Strings::to_utf8(tool_name),
  + version_as_string);
  const fs::path script = scripts_folder / "fetchDependency.ps1";
  const auto install_cmd =
  System::create_powershell_script_cmd(script, Strings::wformat(L"-Dependency %s", tool_name));
  const System::ExitCodeAndOutput rc = System::cmd_execute_and_capture_output(install_cmd);
  if (rc.exit_code)
  {
  - const std::string version_as_string = Strings::format("%d.%d.%d", version[0], version[1], version[2]);
  -
  System::println(System::Color::error,
  "Launching powershell failed or was denied when trying to fetch %s version %s.\n"
  "(No sufficient installed version was found)",
  