feat: (vertexai) add rag_engine_config resource support (#14709) (#23889)

[upstream:bf983ac332ab97bc26d928844b56478d77ffc456]

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

Author: modular-magician

.changelog/14709.txt

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

google/provider/provider_mmv1_resources.go

@@ -555,9 +555,9 @@ var handwrittenIAMDatasources = map[string]*schema.Resource{
 }
 
 // Resources
-// Generated resources: 643
+// Generated resources: 644
 // Generated IAM resources: 312
-// Total generated resources: 955
+// Total generated resources: 956
 var generatedResources = map[string]*schema.Resource{
 	"google_folder_access_approval_settings":                                     accessapproval.ResourceAccessApprovalFolderSettings(),
 	"google_organization_access_approval_settings":                               accessapproval.ResourceAccessApprovalOrganizationSettings(),
@@ -1469,6 +1469,7 @@ var generatedResources = map[string]*schema.Resource{
 	"google_vertex_ai_index":                                                     vertexai.ResourceVertexAIIndex(),
 	"google_vertex_ai_index_endpoint":                                            vertexai.ResourceVertexAIIndexEndpoint(),
 	"google_vertex_ai_index_endpoint_deployed_index":                             vertexai.ResourceVertexAIIndexEndpointDeployedIndex(),
+	"google_vertex_ai_rag_engine_config":                                         vertexai.ResourceVertexAIRagEngineConfig(),
 	"google_vertex_ai_tensorboard":                                               vertexai.ResourceVertexAITensorboard(),
 	"google_vmwareengine_cluster":                                                vmwareengine.ResourceVmwareengineCluster(),
 	"google_vmwareengine_external_access_rule":                                   vmwareengine.ResourceVmwareengineExternalAccessRule(),