Merge branch 'rodrigo/enforce-schemes-in-http-connection-adapter' into 'master'

Enforce HTTP/HTTPS schemes in HTTPConnectionAdapter

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/103538



Merged-by: Mayra Cabrera <mcabrera@gitlab.com>
Approved-by: Stanislav Dobrovolschii <sdobrovolschii@gitlab.com>
Approved-by: Kevin Morrison <kmorrison@gitlab.com>
Approved-by: Mayra Cabrera <mcabrera@gitlab.com>
Co-authored-by: Rodrigo Tomonari <rtomonari@gitlab.com>