Upgrade Node and dependent packages to the latest version

[yhatt]

Upgrade Node and dependent packages to the latest version via yarn upgrade --latest.

Breaking

Dropped Node 10 support. Some dependent packages will end Node 10 support by this updation.

Notable changes

• Marpit and Marp Core has bumped major version, v2.0.0.
• Added CI test against Node 16 for Windows.
  • CircleCI's Node 16 image is not yet ready.
• Some packages, especially many packages hosted by @sindresorhus, will drop CommonJS support. Packages that have listed in devDependencies will bundle and transform into CommonJS by rollup bundler so currently would not have some breaking changes. However, we have to update for supporting ESM if packages in dependencies were updated.
• Jest will test the code without bundling. Jest's ESM supports is still experimental so we have set up to transpile specific ESM modules into CommonJS via Babel.
• To fix stylelint error, we've used Sass @use instead of @import.
• pkg has bumped major version, v5.0.0. We may have to test packaging standalone binary before release. (Confirmed ✅ )