Added rachel to the personas

What does this MR do?

Today, we were missing Rachel the release manager from relevant personas in our roles & personas page. I have had to manually add Rachel to my relevant issues.

Screenshots

N/A

Does this MR meet the acceptance criteria?

Yes.

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Availability and Testing

N/A

Security

If this MR contains changes to processing or storing of credentials or tokens, authorization and authentication methods and other items described in the security review guidelines: N/A