fix action

.github/workflows/check_mcversion.yml

@@ -17,6 +17,6 @@ jobs:
        - name: 安装依赖
          run: |
             python -m pip install --upgrade pip
-            pip install requests && pip install json
+            pip install requests
        - name: 运行更新脚本
          run: python Actions/check_mcv.py