Ability to provide access controls to governance of Kafka events

### Required Terms

- [X] I agree to follow this project's [Code of Conduct](https://github.com/heroku/roadmap/blob/main/CODE_OF_CONDUCT.md)
- [X] I have read and accept the [Salesforce Program Agreement](https://www.salesforce.com/company/program-agreement/)

### What service(s) is this request for?

Heroku Kafka

### Tell us about what you're trying to solve. What challenges are you facing?

When multiple publishers and subscribers are used from around the business I want access controls to govern which events are accessible by each application / department in my business.