Very small change to one of the function parameters (huggingface#32548)

Very small change to one of the parameters

np.random.randint second parameter is not included in the possible options. Therefore, we want the upper range to be 2, so that we have some 1 labels in our classification as well.

docs/source/en/model_memory_anatomy.md

@@ -42,7 +42,7 @@ In total, we get 512 sequences each with length 512 and store them in a [`~datas
 >>> seq_len, dataset_size = 512, 512
 >>> dummy_data = {
 ...     "input_ids": np.random.randint(100, 30000, (dataset_size, seq_len)),
-...     "labels": np.random.randint(0, 1, (dataset_size)),
+...     "labels": np.random.randint(0, 2, (dataset_size)),
 ... }
 >>> ds = Dataset.from_dict(dummy_data)
 >>> ds.set_format("pt")