Add a new resource google_discovery_engine_sitemap (#13356) (#21976)

[upstream:4285e42a1497953fca9f63bcd866f374769d6432]

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/13356.txt

@@ -0,0 +1,3 @@
+```release-note:new-resource
+`google_discovery_engine_sitemap`
+```

google/provider/provider_mmv1_resources.go

@@ -495,9 +495,9 @@ var handwrittenIAMDatasources = map[string]*schema.Resource{
 }
 
 // Resources
-// Generated resources: 558
+// Generated resources: 559
 // Generated IAM resources: 276
-// Total generated resources: 834
+// Total generated resources: 835
 var generatedResources = map[string]*schema.Resource{
 	"google_folder_access_approval_settings":                                     accessapproval.ResourceAccessApprovalFolderSettings(),
 	"google_organization_access_approval_settings":                               accessapproval.ResourceAccessApprovalOrganizationSettings(),
@@ -905,6 +905,7 @@ var generatedResources = map[string]*schema.Resource{
 	"google_discovery_engine_data_store":                                         discoveryengine.ResourceDiscoveryEngineDataStore(),
 	"google_discovery_engine_schema":                                             discoveryengine.ResourceDiscoveryEngineSchema(),
 	"google_discovery_engine_search_engine":                                      discoveryengine.ResourceDiscoveryEngineSearchEngine(),
+	"google_discovery_engine_sitemap":                                            discoveryengine.ResourceDiscoveryEngineSitemap(),
 	"google_discovery_engine_target_site":                                        discoveryengine.ResourceDiscoveryEngineTargetSite(),
 	"google_dns_managed_zone":                                                    dns.ResourceDNSManagedZone(),
 	"google_dns_managed_zone_iam_binding":                                        tpgiamresource.ResourceIamBinding(dns.DNSManagedZoneIamSchema, dns.DNSManagedZoneIamUpdaterProducer, dns.DNSManagedZoneIdParseFunc),