Fix ffmpy cannot be built because of setuptools new version

pyproject.toml

@@ -89,7 +89,7 @@ vllm = [
     "vllm >= 0.5.3",
     "filelock >= 3.13.4",
     # `setuptools` is needed to be installed if installed with `uv pip install distilabel[vllm]`
-    "setuptools",
+    "setuptools < 72.0.0",
 ]
 sentence-transformers = ["sentence-transformers >= 3.0.0"]
 faiss-cpu = ["faiss-cpu >= 1.8.0"]