fix: fastapi status import (#2408)

should use `from http import HTTPStatus`

lnbits/core/views/extension_api.py

@@ -1,3 +1,4 @@
+from http import HTTPStatus
 from typing import (
     List,
     Optional,
@@ -9,9 +10,6 @@ from fastapi import (
     Depends,
     HTTPException,
 )
-from fastapi import (
-    status as HTTPStatus,
-)
 from loguru import logger
 
 from lnbits.core.db import core_app_extra