Add project create audit event in group

What does this MR do and why?

This MR adds the project creation audit event at the group level.

• Issue: #14696

Screenshots or screen recordings

When a new project is added in a group, an audit event is logged at group level.

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.