Merge branch 'read_package/conan-API' into 'master'

Adapt Conan API to consider the package registry access level

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/104589



Merged-by: David Fernandez <dfernandez@gitlab.com>
Approved-by: Dzmitry Meshcharakou <12459192-dmeshcharakou@users.noreply.gitlab.com>
Approved-by: Max Orefice <morefice@gitlab.com>
Approved-by: David Fernandez <dfernandez@gitlab.com>
Co-authored-by: Jonas Wälter <waelter@outlook.de>