Update policy to include health status

What does this MR do and why?

gitlab-com/www-gitlab-com!108521 (merged) Implements the use of health status with groupproduct planning. This change updates the refinement policy to remind the EM (me) to apply the on track health status at the start of the milestone.

Expected impact & dry-runs

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

See https://gitlab.com/gitlab-org/quality/triage-ops/-/tree/master/doc/scheduled#testing-with-a-dry-run on how to perform dry-runs.

Action items

• (If applicable) Add documentation to the handbook pages for Triage Operations =>
• (If applicable) Identify the affected groups and how to communicate to them:
  • /cc @person_or_group =>
  • Relevant Slack channels =>
  • Engineering week-in-review