Update use-scim-to-provision-users-and-groups.md

Adding OIDC roll requirement call out

Author: twimmers

articles/active-directory/app-provisioning/use-scim-to-provision-users-and-groups.md

@@ -1362,6 +1362,7 @@ Use the checklist to onboard your application quickly and customers have a smoot
 > * Establish engineering and support contacts to guide customers post gallery onboarding (Required)
 > * 3 Non-expiring test credentials for your application (Required)
 > * Support the OAuth authorization code grant or a long lived token as described in the example (Required)
+> * OIDC apps must have at least 1 role (custom or default) defined
 > * Establish an engineering and support point of contact to support customers post gallery onboarding (Required)
 > * [Support schema discovery (required)](https://tools.ietf.org/html/rfc7643#section-6)
 > * Support updating multiple group memberships with a single PATCH