slapos_jio: Update reference of credential request notification message

 Follow up changes from ERP5 after the rebase

master/bt5/slapos_jio/SkinTemplateItem/portal_skins/slapos_hal_json_style/WebSection_newCredentialRequest.py

@@ -56,7 +56,7 @@ else:
                        after_path_and_method_id=path_and_method_id)
     credential_request.activate(**activity_kw).CredentialRequest_sendSubmittedNotification(
       context_url=context.absolute_url(),
-      notification_reference='erp5-subscription.notification')
+      notification_reference='credential_request-subscription')
     message_str = "Thanks for your registration. You will be receive an email to activate your account."
   else:
     # no email verification is needed