Version 11.0.0

Major

• Updated Node.js support to ^16.9.0 || >= 18.0.0.
• Tests now report a thrown AggregateError instance property errors.
• Tests now report a thrown Error instance property cause.

Patch

• Updated dev dependencies.
• Use test-director as a dev dependency for tests.
• Updated GitHub Actions CI config:
  • Run tests with Node.js v16, v18, v19.
• Improved the installation instructions in the readme.
• Remove node-fetch from code examples. Modern Node.js supports the fetch global.