fix: add Request parameter to extract_label for slowapi rate limiter

backend/routers/items.py

@@ -63,6 +63,7 @@ _MAX_IMAGE_SIZE = 10 * 1024 * 1024  # 10 MB
 @limiter.limit("10/minute")
 @router.post("/extract-label")
 async def extract_label(
+    request: Request,
     file: UploadFile = File(...),
     current_user: auth.TokenData = Depends(auth.get_current_user)
 ):