Use a bigger worker for training the DefectEnhancementTask model

infra/data-pipeline.yml

@@ -557,7 +557,7 @@ tasks:
       deadline: { $fromNow: "3 days" }
       expires: { $fromNow: "1 year" }
       provisionerId: proj-bugbug
-      workerType: compute-smaller
+      workerType: compute-small
       dependencies:
         - bugs-retrieval
       payload: