Redirect to turn off auto-renewal

What does this MR do and why?

Link to documentation on how to turn off auto-renewal when renewing for fewer seats.

Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

Product	Before	After
SaaS
Self-Managed

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.