Merge branch '20241021-clavimoniere-license-in-admin-docs-clarification' into 'master'

Clarify instructions for adding a license in the Admin

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/170003



Merged-by: Fiona Neill <fneill@gitlab.com>
Approved-by: Evan Read <eread@gitlab.com>
Approved-by: Fiona Neill <fneill@gitlab.com>
Co-authored-by: Chad Lavimoniere <clavimoniere@gitlab.com>