[feat] Add user_id scope to credentialsApiClient (#28737)
[feat] Add user_id scope to credentialsApiClient (#28737)

Now that we're actively using the LMS_USER_ID inside credentials to
identify users, we need to make sure that users created by
notify_credentials are including it in the jwt scopes when authenticated
with credentials.
edx/edx-platform,eduNEXT/edx-platform,eduNEXT/edx-platform,angelapper/edx-platform,angelapper/edx-platform,angelapper/edx-platform,edx/edx-platform,arbrandes/edx-platform,angelapper/edx-platform,arbrandes/edx-platform,eduNEXT/edx-platform,arbrandes/edx-platform,edx/edx-platform,edx/edx-platform,arbrandes/edx-platform,eduNEXT/edx-platform