[engine.trainer] Fixes logger.info on tensorboard tip (closes #8)

src/ptbench/engine/trainer.py

@@ -165,7 +165,7 @@ def run(
     )
     logger.info(
         f"Monitor experiment with `tensorboard serve "
-        f"--logdir={output_folder}/{log_dir}/version_*/`. "
+        f"--logdir={output_folder}/{log_dir}/`. "
         f"Then, open a browser on the printed address."
     )