message: [Checks] Take parameter by ref
diff: @@ -27,7 +27,7 @@ namespace vcpkg::Checks
  // Display an error message to the user and exit the tool.
  [[noreturn]] void exit_with_message(const LineInfo& line_info,
  const char* error_message_template,
  - const Arg1 error_message_arg1,
  + const Arg1& error_message_arg1,
  const Args&... error_message_args)
  {
  exit_with_message(line_info,
  @@ -42,7 +42,7 @@ namespace vcpkg::Checks
  void check_exit(const LineInfo& line_info,
  Conditional&& expression,
  const char* error_message_template,
  - const Arg1 error_message_arg1,
  + const Arg1& error_message_arg1,
  const Args&... error_message_args)
  {
  if (!expression)
  