13.0.0

Change

• f6b628d Update unified, unified-args, @types/hast, etc
  migrate: update too
  if you passed an entities option to rehype/rehype-stringify, change it to characterReferences
  if you use rehype-cli, expect dotfiles to be included by default, add them to an ignore file if you don’t want them
• 830757d Change to require Node.js 16
  migrate: update too
• 17079b0 Change to use exports
  migrate: don’t use private APIs

Add

• 7c9115b Add typed settings
  migrate: don’t use private APIs