Merge branch 'ml-e2e-gdk-use-network' into 'master'

Connect GDK and other containers to the host network in e2e tests

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/123738



Merged-by: Jennifer Li <jli@gitlab.com>
Approved-by: Harsha Muralidhar <hmuralidhar@gitlab.com>
Approved-by: Jennifer Li <jli@gitlab.com>
Reviewed-by: Mark Lapierre <mlapierre@gitlab.com>
Co-authored-by: Mark Lapierre <mlapierre@gitlab.com>