🐛 Fix: 修复因 loguru 更新导致的启动和关闭日志 name 不正常 (#2080)

Co-authored-by: Ju4tCode <42488585+yanyongyu@users.noreply.github.com>

nonebot/log.py

@@ -54,7 +54,7 @@ class LoguruHandler(logging.Handler):  # pragma: no cover
         except ValueError:
             level = record.levelno
 
-        frame, depth = logging.currentframe(), 2
+        frame, depth = sys._getframe(6), 6
         while frame and frame.f_code.co_filename == logging.__file__:
             frame = frame.f_back
             depth += 1