Replacing SCIM configuration option allow_non_provisioned_users with reject_non_provisioned_users
Effective starting in Grafana 12.2, the auth.scim configuration option allow_non_provisioned_users is removed, and replaced with reject_non_provisioned_users.
The reject_non_provisioned_users setting in Grafana defaults to false. When enabled, non-SCIM provisioned users are prevented from signing in. Cloud Portal users can always sign in regardless of this setting.
