feat(ci): log into HF to unblock some CI tests

tests/policies/pi0_fast/test_pi0_fast_original_vs_lerobot.py

@@ -17,7 +17,6 @@
 """Test script to verify PI0Fast policy integration with LeRobot vs the original implementation"""
 # ruff: noqa: E402
 
-import os
 import random
 from copy import deepcopy
 from typing import Any
@@ -28,10 +27,6 @@ import torch
 
 pytest.importorskip("transformers")
 pytest.importorskip("scipy")
-pytestmark = pytest.mark.skipif(
-    os.environ.get("CI") == "true" or os.environ.get("GITHUB_ACTIONS") == "true",
-    reason="This test requires accepting the model license",
-)
 
 from lerobot.policies.pi0_fast.configuration_pi0_fast import PI0FastConfig
 from lerobot.policies.pi0_fast.modeling_pi0_fast import PI0FastPolicy