Feature/0.3.4

[Edbo849]

General:

• Have you followed the guidelines in our Contributing document?
• Have all checks, quality assurance steps and tests passed?

Quality checks:

• Have you updates the CHANGELOG.rst file?
• Have you updated the version and author attributes (as appropriate) in the pyproject.toml file?

Community standards:

• Have you followed Semantic Versioning?
• Have you updated the docstrings and / or documentation files to reflect your change?

What is the purpose of this change?

The purpose of this change is to be able to show more details about authorisation in a publish event

What does the change consist of?

This change consists of adding a new AuthData model to kafka.py