chore(busy_wait): renaming busy_wait into precise_sleep

benchmarks/audio/run_tactile_benchmark.py

@@ -28,7 +28,7 @@ from lerobot.microphones.utils import (
     make_microphones_from_configs,
 )
 from lerobot.utils.robot_utils import (
-    busy_wait,
+    precise_sleep,
 )
 
 
@@ -59,7 +59,7 @@ def main(
     )
 
     # Record audio chunks
-    busy_wait(10.0)
+    precise_sleep(10.0)
 
     for sensor_key, sensor in sensors.items():
         data_chunk = sensor.read()