Fix TRT max_workspace_size deprecation notice (#6856)

* Fix TRT `max_workspace_size` deprecation notice

* Update export.py

* Update export.py

export.py

@@ -218,6 +218,7 @@ def export_engine(model, im, file, train, half, simplify, workspace=4, verbose=F
         builder = trt.Builder(logger)
         config = builder.create_builder_config()
         config.max_workspace_size = workspace * 1 << 30
+        # config.set_memory_pool_limit(trt.MemoryPoolType.WORKSPACE, workspace << 30)  # fix TRT 8.4 deprecation notice
 
         flag = (1 << int(trt.NetworkDefinitionCreationFlag.EXPLICIT_BATCH))
         network = builder.create_network(flag)