ci: 更新代理配置地址

将 HTTP 和 HTTPS 代理从 10.255.0.1 更改为 host.docker.internal，并统一使用小写环境变量格式。

.github/workflows/deploy.yml

@@ -9,10 +9,8 @@ jobs:
   build:
     runs-on: ubuntu-latest
     env:
-      HTTP_PROXY: http://10.255.0.1:7890
-      HTTPS_PROXY: http://10.255.0.1:7890
-      http_proxy: http://10.255.0.1:7890
-      https_proxy: http://10.255.0.1:7890
+      http_proxy=http://host.docker.internal:7890
+      https_proxy=http://host.docker.internal:7890
     steps:
       - name: Checkout
         uses: actions/checkout@v4