fix: reorder import statements for consistency in star module

Author: whatevertogo

astrbot/core/star/__init__.py

@@ -1,12 +1,12 @@
+# 兼容导出: Provider 从 provider 模块重新导出
+from astrbot.core.provider import Provider
+
 from .base import Star
 from .context import Context
 from .star import StarMetadata, star_map, star_registry
 from .star_manager import PluginManager
 from .star_tools import StarTools
 
-# 兼容导出: Provider 从 provider 模块重新导出
-from astrbot.core.provider import Provider
-
 __all__ = [
     "Context",
     "PluginManager",