Add google_workbench_instance to TGC tfplan2cai converter (#15573)

Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>

Author: hemantadil

mmv1/third_party/tgc/resource_converters.go.tmpl

@@ -210,7 +210,8 @@ func ResourceConverters() map[string][]cai.ResourceConverter {
 		"google_cloudfunctions_function":                  {cloudfunctions.ResourceConverterCloudFunctionsCloudFunction()},
 		"google_monitoring_notification_channel":          {monitoring.ResourceConverterMonitoringNotificationChannel()},
 		"google_monitoring_alert_policy":                  {monitoring.ResourceConverterMonitoringAlertPolicy()},
-		"google_vertex_ai_dataset":                        {vertexai.ResourceConverterVertexAIDataset()},		
+		"google_vertex_ai_dataset":                        {vertexai.ResourceConverterVertexAIDataset()},
+		"google_workbench_instance":                       {workbench.ResourceConverterWorkbenchInstance()},
 	{{- range $object := $.IamResources }}
 	{{- if $object.IamClassName }}
 		"{{ $object.TerraformName }}_iam_policy": { {{- $object.IamClassName }}IamPolicy()},

mmv1/third_party/tgc/tests/data/workbench_instance.json

@@ -0,0 +1,26 @@
+[
+  {
+    "name": "//notebooks.googleapis.com/projects/{{.Provider.project}}/locations/us-central1-a/instances/workbench-instance-cai",
+    "asset_type": "notebooks.googleapis.com/Instance",
+    "ancestry_path": "{{.Ancestry}}/project/{{.Provider.project}}",
+    "resource": {
+      "version": "v2",
+      "discovery_document_uri": "https://notebooks.googleapis.com/$discovery/rest",
+      "discovery_name": "Instance",
+      "parent": "//cloudresourcemanager.googleapis.com/projects/{{.Provider.project}}",
+      "data": {
+        "gceSetup": {
+          "machineType": "e2-standard-2",
+          "shieldedInstanceConfig": {
+            "enableSecureBoot": true,
+            "enableVtpm": true,
+            "enableIntegrityMonitoring": true
+          }
+        },
+        "labels": {
+          "goog-terraform-provisioned": "true"
+        }
+      }
+    }
+  }
+]

mmv1/third_party/tgc/tests/data/workbench_instance.tf

@@ -0,0 +1,13 @@
+
+resource "google_workbench_instance" "basic" {
+  name = "workbench-instance-cai"
+  location = "us-central1-a"
+  gce_setup {
+    machine_type = "e2-standard-2"
+    shielded_instance_config {
+      enable_secure_boot = true
+      enable_vtpm = true
+      enable_integrity_monitoring = true
+    }
+  }
+}