Update fine-tuning.mdx

The attribute evaluation_strategy is being deprecated in the Transformers repository (huggingface/transformers#30190). The evaluation_strategy usage in this repository should be replaced with the new eval_strategy.

Author: TirendazAcademy

chapters/en/chapter6/fine-tuning.mdx

@@ -491,7 +491,7 @@ training_args = Seq2SeqTrainingArguments(
     max_steps=4000,
     gradient_checkpointing=True,
     fp16=True,
-    evaluation_strategy="steps",
+    eval_strategy="steps",
     per_device_eval_batch_size=2,
     save_steps=1000,
     eval_steps=1000,