Add a new resource: ServingConfig (#15543) (#25105)

[upstream:b0e17b288486ca2f74b7199d898de6fbc5ec6983]

Signed-off-by: Modular Magician <magic-modules@google.com>

Author: modular-magician

.changelog/15543.txt

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

google/provider/provider_mmv1_resources.go

@@ -580,9 +580,9 @@ var handwrittenIAMDatasources = map[string]*schema.Resource{
 }
 
 // Resources
-// Generated resources: 672
+// Generated resources: 673
 // Generated IAM resources: 318
-// Total generated resources: 990
+// Total generated resources: 991
 var generatedResources = map[string]*schema.Resource{
 	"google_folder_access_approval_settings":                                     accessapproval.ResourceAccessApprovalFolderSettings(),
 	"google_organization_access_approval_settings":                               accessapproval.ResourceAccessApprovalOrganizationSettings(),
@@ -1072,6 +1072,7 @@ var generatedResources = map[string]*schema.Resource{
 	"google_discovery_engine_recommendation_engine":                              discoveryengine.ResourceDiscoveryEngineRecommendationEngine(),
 	"google_discovery_engine_schema":                                             discoveryengine.ResourceDiscoveryEngineSchema(),
 	"google_discovery_engine_search_engine":                                      discoveryengine.ResourceDiscoveryEngineSearchEngine(),
+	"google_discovery_engine_serving_config":                                     discoveryengine.ResourceDiscoveryEngineServingConfig(),
 	"google_discovery_engine_sitemap":                                            discoveryengine.ResourceDiscoveryEngineSitemap(),
 	"google_discovery_engine_target_site":                                        discoveryengine.ResourceDiscoveryEngineTargetSite(),
 	"google_discovery_engine_user_store":                                         discoveryengine.ResourceDiscoveryEngineUserStore(),