`mypy v0.740` - `--no-silence-site-packages` command line option is working, but `--silence-site-packages` produces `unrecognized arguments` error. - `no_implicit_optional` config file option is working but `implicit_optional` produces `Unrecognized option` error. - `no_silence_site_packages` config file option is working but `silence_site_packages` produces `Unrecognized option` error.