Merge branch '374938-activation_code' into 'master'

Add ability to enter a second activation code for subscription

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/103983



Merged-by: Kushal Pandya <kushalspandya@gmail.com>
Approved-by: Miranda Fluharty <mfluharty@gitlab.com>
Approved-by: Kushal Pandya <kushalspandya@gmail.com>
Co-authored-by: dzubova <dzubova@gitlab.com>
Co-authored-by: lmeckley <lmeckley@gitlab.com>