7.0.0

Change

• d72c765 Update lowlight
  migrate: if you pass languages, make sure the spread in common from lowlight:
  .use(rehypeHighlight, {...common, ...otherLanguages})
• b057174 Update @types/hast, unified, utilities, etc
  migrate: update too
• 72fe488 Change to require Node.js 16
  migrate: update too
• d2fc56d Change to use exports
  migrate: don’t use private APIs
• dc3823d Remove ignoreMissing option, make it default
  migrate: remove ignoreMissing, expect warnings on the file instead

Misc

• d05e002 Fix broken import in example
  by @rhysd in #24

Full Changelog: 6.0.0...7.0.0