2.0.0

Changes

• BREAKING: Drop support for Node.js versions below v18.
  • Remove undici dependency as it's built into Node.js since v18.
• Update commander to v12.
• Update tar to v7.

Development changes

• Update @typescript-eslint/eslint-plugin and @typescript-eslint/parser to v7.
• Remove @types/tar as tar v7 already provides the typings.
• Add code of conduct.
• Add contributing guide.
• Use ESNext for target and NodeNext for module options in TS config.