fix(logging): suppress noisy httpx INFO logs (#3173)

Set httpx logger level to WARNING in init_logging to prevent
HTTP request traces from flooding the terminal during train and
eval scripts.

Co-authored-by: Steven Palma <imstevenpmwork@ieee.org>

src/lerobot/utils/utils.py

@@ -95,6 +95,8 @@ def init_logging(
         file_handler.setLevel(file_level.upper())
         logger.addHandler(file_handler)
 
+    logging.getLogger("httpx").setLevel(logging.WARNING)
+
 
 def format_big_number(num, precision=0):
     suffixes = ["", "K", "M", "B", "T", "Q"]