Once upstream resolve [issue #1400](https://github.com/cucumber/cucumber/issues/1400): * Revert commit [3c6c1e](https://github.com/bbqsrc/gherkin-rust/commit/3c6c1e56776b714f723183acc212e0f36a37d601) * Add script to generate specs and data using upstream golden-master * Add script to generate compatibility status report form `compatibility-kit`