Merge branch 'add_details_to_license_scanning_doc' into 'master'

Add details to license scanning doc

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/139005



Merged-by: Phillip Wells <pwells@gitlab.com>
Approved-by: John Crowley <jcrowley@gitlab.com>
Approved-by: Thiago Figueiró <tfigueiro@gitlab.com>
Approved-by: Phillip Wells <pwells@gitlab.com>
Reviewed-by: Olivier Gonzalez <52092-gonzoyumo@users.noreply.gitlab.com>
Reviewed-by: John Crowley <jcrowley@gitlab.com>
Co-authored-by: Olivier Gonzalez <52092-gonzoyumo@users.noreply.gitlab.com>
Co-authored-by: Thiago Figueiró <tfigueiro@gitlab.com>
Co-authored-by: Russell Dickenson <rdickenson@gitlab.com>
Co-authored-by: Olivier Gonzalez <ogonzalez@gitlab.com>