Merge branch 'clarify-dedicated-upgrades' into 'master'

Clarify Dedicated upgrades and patches

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/166113



Merged-by: Lysanne Pinto <lpinto@gitlab.com>
Approved-by: Amy Shiel <ashiel@gitlab.com>
Approved-by: Oriol Lluch <olluch@gitlab.com>
Approved-by: Lysanne Pinto <lpinto@gitlab.com>
Reviewed-by: Chris Balane <cbalane@gitlab.com>
Co-authored-by: Chris Balane <cbalane@gitlab.com>