feat: Add temporary_failed_ack_ids to ModifyAckDeadlineConfirmation

PiperOrigin-RevId: 510255074

google/pubsub/v1/pubsub.proto

@@ -1288,21 +1288,23 @@ message StreamingPullResponse {
     // List of acknowledgement IDs that were malformed or whose acknowledgement
     // deadline has expired.
     repeated string invalid_ack_ids = 2;
+
+    // List of acknowledgement IDs that failed processing with temporary issues.
+    repeated string temporary_failed_ack_ids = 3;
   }
 
   // Subscription properties sent as part of the response.
   message SubscriptionProperties {
     // True iff exactly once delivery is enabled for this subscription.
     bool exactly_once_delivery_enabled = 1;
+
     // True iff message ordering is enabled for this subscription.
     bool message_ordering_enabled = 2;
   }
 
   // Received Pub/Sub messages. This will not be empty.
   repeated ReceivedMessage received_messages = 1;
 
-  reserved 2;
-
   // This field will only be set if `enable_exactly_once_delivery` is set to
   // `true`.
   AcknowledgeConfirmation acknowledge_confirmation = 5;