Testing & Rollout of dormant members

Background

In [Gitlab.com] Automatic removal of dormant members (&7533) we intend to add a feature to identify and remove dormant users from Namespaces for GitLab.com

This is similar to the existing SM feature ( &5519 (closed)), but rather than deactivating users, we will remove members.

To achieve this, we will be adding a way to track member’s last activity timestamp within a namespace, so that we can identify dormant members and remove them if they've been dormant for greater than a predefined time period (e.g. 90 days).

Purpose

The purpose of this issue is to:

Test functionality and rollout the feature

We should consider testing against our own groups, which might involve manual manipulation of member records to "fake" dormancy.

Review Docs

The docs were initially created with #461657 (closed) / !154096 (merged). While we test the feature we should review if there's anything missing or needing updates in the documentation

• We (potentially) should add in a note about tracking git based activity not impacting active v. inactive status #461338 (comment 2051163857)