Add new line to remove build error

Author: nytian

durabletask/internal/proto_task_hub_sidecar_service_stub.py

@@ -33,4 +33,4 @@ class ProtoTaskHubSidecarServiceStub(Protocol):
     AbandonTaskActivityWorkItem: Callable[..., Any]
     AbandonTaskOrchestratorWorkItem: Callable[..., Any]
     AbandonTaskEntityWorkItem: Callable[..., Any]
-    SkipGracefulOrchestrationTerminations: Callable[..., Any]
+    SkipGracefulOrchestrationTerminations: Callable[..., Any]