fix drone.yml

.drone.yml

@@ -6,7 +6,7 @@ steps:
   - name: run-scheduled-task
     image: python:3.10
     commands:
-      - pip install -r requirements.txt  # 如果有依赖
+      - pip install -r requirements.txt  -i https://mirrors.ustc.edu.cn/pypi/simple --trusted-host mirrors.ustc.edu.cn
       - python check-reg-domain.py
 
 trigger: