Merge branch '480355-Use-new-package-reference-db-when-getting-package-file' into 'master'

Remove conan_package_reference field and use package_reference.reference instead

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/181084



Merged-by: Adam Hegyi <ahegyi@gitlab.com>
Approved-by: João Pereira <jpereira@gitlab.com>
Approved-by: David Fernandez <dfernandez@gitlab.com>
Approved-by: Dzmitry (Dima) Meshcharakou <12459192-dmeshcharakou@users.noreply.gitlab.com>
Approved-by: Adam Hegyi <ahegyi@gitlab.com>
Reviewed-by: David Fernandez <dfernandez@gitlab.com>
Reviewed-by: Dzmitry (Dima) Meshcharakou <12459192-dmeshcharakou@users.noreply.gitlab.com>
Reviewed-by: Océane Legrand <oceane.legrand@scania.com>
Co-authored-by: olzh1h <oceane.legrand@scania.com>