Recommend reviewing the corresponding review guidelines for Product Intelligence related MRs

What does this MR do and why?

Related to #333991 (closed).

This adds a note linking Product Intelligence review guidelines to PI Danger bot warnings to recommend reviewing them before passing an MR onto product intelligence review.

Screenshots or screen recordings

These are strongly recommended to assist reviewers and reduce the time to merge your change.

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.