v0.20.0

Many thanks to @fisker for many contributions!

• feat: upgrade to prettier 3 (#2200)
• Simplify print() (#2212)
• Convert tests to ES Modules (#2210)
• Fix standalone test (#2211)
• Update .gitattributes (#2209)

Breaking Change

This adds support for Prettier v3. It also drops compatibility with Prettier v1 and v2.