Release 2.4.0

Major release with the following changes:

• Enabled authentication via OAuth Bearer Token
  • Through environment variable OAUTH_TOKEN
  • Through customer_config.json oauth_token property
  • Through Listener constructor parameter oauth_token
• Upgraded project structure to follow the pyproject.toml framework
• Upgraded supported Python versions to 3.10 and beyond.
• Upgraded linting tool from flake8 to ruff

For a more detailed description of the changes, refer to README.md.