[pre-commit.ci] pre-commit autoupdate (#871)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

lerobot/common/utils/logging_utils.py

@@ -94,7 +94,7 @@ class MetricsTracker:
         metrics: dict[str, AverageMeter],
         initial_step: int = 0,
     ):
-        self.__dict__.update({k: None for k in self.__keys__})
+        self.__dict__.update(dict.fromkeys(self.__keys__))
         self._batch_size = batch_size
         self._num_frames = num_frames
         self._avg_samples_per_ep = num_frames / num_episodes