bump accelerate to 0.34.2 (#1901)

* bump accelerate

* add fixture to predownload the test model

* change fixture

tests/e2e/multigpu/test_llama.py

@@ -10,6 +10,7 @@ from pathlib import Path
 import pytest
 import yaml
 from accelerate.test_utils import execute_subprocess_async
+from huggingface_hub import snapshot_download
 
 from axolotl.utils.dict import DictDefault
 
@@ -19,6 +20,12 @@ LOG = logging.getLogger("axolotl.tests.e2e.multigpu")
 os.environ["WANDB_DISABLED"] = "true"
 
 
+@pytest.fixture(scope="session", autouse=True)
+def download_model():
+    # download the model
+    snapshot_download("TinyLlama/TinyLlama_v1.1")
+
+
 class TestMultiGPULlama(unittest.TestCase):
     """
     Test case for Llama models using LoRA