Use NVD api key in tests

tests/test_nvd_dataset_builder.py

@@ -62,7 +62,7 @@ def get_dataset_len(dset) -> int:
         return len(dset["match_strings"])
 
     config.preferred_source_nvd_datasets = "api"
-    with builder_class() as dataset_builder:
+    with builder_class(api_key=config.nvd_api_key) as dataset_builder:
         dataset = dataset_builder._init_new_dataset()
         assert dataset == default_dataset
         last_update = dataset_builder._get_last_update_from_previous_data(dataset)