adapt parameters to ruby-saml 1.12.2

lib/carto/saml_service.rb

@@ -27,7 +27,7 @@ module Carto
     end
 
     def logout_url_configured?
-      saml_settings.idp_slo_target_url.present?
+      saml_settings.idp_slo_service_url.present?
     end
 
     # SLO (Single Log Out) request initiated from CARTO

spec/factories/organizations.rb

@@ -38,8 +38,8 @@ FactoryBot.define do
       auth_saml_configuration do
         {
           issuer: 'localhost.lan',
-          idp_sso_target_url: 'https://example.com/saml/signon/',
-          idp_slo_target_url: 'https://example.com/saml/signon/',
+          idp_sso_service_url: 'https://example.com/saml/signon/',
+          idp_slo_service_url: 'https://example.com/saml/signon/',
           idp_cert_fingerprint: '',
           assertion_consumer_service_url: 'https://localhost.lan/saml/finalize',
           name_identifier_format: '',
@@ -88,8 +88,8 @@ FactoryBot.define do
       auth_saml_configuration do
         {
           issuer: 'localhost.lan',
-          idp_sso_target_url: 'https://example.com/saml/signon/',
-          idp_slo_target_url: 'https://example.com/saml/signon/',
+          idp_slo_service_url: 'https://example.com/saml/signon/',
+          idp_slo_service_url: 'https://example.com/saml/signon/',
           idp_cert_fingerprint: '',
           assertion_consumer_service_url: 'https://localhost.lan/saml/finalize',
           name_identifier_format: '',