[Dev Deps] update `@babel/*`, `@storybook/*`, `babel-plugin-inline-svg`, `babel-plugin-istanbul`, `babel-preset-airbnb`, `eslint-config-airbnb` to v18 (plus peer deps), `eslint` to v6; `eslint-plugin-react-with-styles`, `karma`, `karma-firefox-launcher`, `mocha`, `safe-publish-latest`, `sass-loader`, `sinon`, `sinon-sandbox`, `coveralls`, `enzyme-adapter-react-helper`