Version 21.0.0

[noratarano]

Changelog

21.0.0

• [breaking] [deps] Update react-with-styles and other deps (#1761)
• [new] [deps] Update dependencies related to react-with-styles (#1775)
• [new] DayPickerSingleDateController: Add onMultiplyScrollableMonths (#1770)
• [dev] Fix moment date formats (#1767)
• [dev] Fix addons webpack loader, Fix tests (#1764)
• [dev] build: fix linting (refs eslint 6.2.0 unexpected token = and / eslint/eslint#12119)
• [new] [deps] update @babel/runtime, airbnb-prop-types, object.values, prop-types, react-outside-click-handler, react-portal
• [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
• [fix] Remove all direct imports of css in favor of injected prop (#1758)

Reviewers

@indiesquidge @ahuth @joeuy @TaeKimJR @ljharb @majapw

[coveralls]

Coverage remained the same at 84.958% when pulling e365eb3 on nora--react-dates-21 into b1a933d on master.