Add state upgrader to DCL resource google_dataproc_workflow_template (#9432) (#16517)

[upstream:2c9c29c7d4d0bf036b2209784d98d764e3f1d1a2]

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

Author: modular-magician

.changelog/9432.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+dataproc: backfilled the field `terraform_labels` for resource `google_dataproc_workflow_template`, so the resource recreation will not happen during the provider upgrade from `4.x` to `5.7`
+```

google/services/dataproc/resource_dataproc_workflow_template.go

@@ -53,6 +53,14 @@ func ResourceDataprocWorkflowTemplate() *schema.Resource {
 			tpgresource.DefaultProviderProject,
 			tpgresource.SetLabelsDiff,
 		),
+		SchemaVersion: 1,
+		StateUpgraders: []schema.StateUpgrader{
+			{
+				Type:    resourceDataprocWorkflowTemplateResourceV0().CoreConfigSchema().ImpliedType(),
+				Upgrade: ResourceDataprocWorkflowTemplateUpgradeV0,
+				Version: 0,
+			},
+		},
 
 		Schema: map[string]*schema.Schema{
 			"jobs": {