Merge branch 'dedi-byok-docs-update-2024-09-26' into 'master'

docs: Clarifications regarding BYOK on Dedicated

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/167274



Merged-by: Lysanne Pinto <lpinto@gitlab.com>
Approved-by: Lysanne Pinto <lpinto@gitlab.com>
Co-authored-by: Craig Miskell <cmiskell@gitlab.com>