Merge branch 'doc-recommend-private-vpc-addresses' into 'master'

Upgrade usage of VPC's private/internal IPs from "can" to "recommend"

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/124604



Merged-by: Michael Kozono <mkozono@gitlab.com>
Approved-by: Achilleas Pipinellis <axil@gitlab.com>
Approved-by: Michael Kozono <mkozono@gitlab.com>
Co-authored-by: Katrin Leinweber <kleinweber@gitlab.com>