2023-01-05-update-babel.md

title	issue
Update babel and browserslist	NEXT-22226

Storefront

• Changed @babel/cli to version 7.20.7
• Changed @babel/core to version 7.20.12
• Changed @babel/preset-env to version 7.20.2
• Added package core-js with version 3.27.1
• Changed filename of .browserlistrc to .browserslistrc to fix a typo and make it considered by babel
• Changed supported browsers in .browserslistrc to be aligned with Bootstrap 5.2 browser support, see: https://getbootstrap.com/docs/5.2/getting-started/browsers-devices/
• Removed deprecated package @babel/polyfill in favor of importing core-js directly, see: https://babeljs.io/docs/en/babel-polyfill
• Removed babel plugin @babel/plugin-proposal-class-properties because it is now included in @babel/preset-env, see: https://babeljs.io/docs/en/babel-plugin-proposal-class-properties
• Removed babel plugin @babel/plugin-transform-object-assign because Object.assign is has full support in all browsers listed in .browserslistrc, see: https://caniuse.com/mdn-javascript_builtins_object_assign