message: Fix usage of Strings::Joiner
diff: @@ -155,7 +155,7 @@ namespace vcpkg::Commands::Install
  triplet_install_path.generic_string(),
  binary_paragraph.spec);
  System::print("\n ");
  - System::println(Strings::join(intersection, "\n "));
  + System::println(Strings::Joiner::on("\n ").join(intersection));
  System::println("");
  exit(EXIT_FAILURE);
  }
  