Merge branch '25213-docs-update-view-user-activity' into 'master'

Update tasks to view user activity

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/127152



Merged-by: Fiona Neill <fneill@gitlab.com>
Approved-by: Fiona Neill <fneill@gitlab.com>
Co-authored-by: Lorena Ciutacu <lciutacu@gitlab.com>