Fix gateway workflow runner and deploy host

.gitea/workflows/gateway-build.yml

@@ -7,6 +7,7 @@ on:
 
 env:
   DEPLOY_PATH: /opt/vpn-proxy
+  DEPLOY_HOST: 192.168.50.111
   BASE_IMAGE: vpn-proxy-runtime-base:bookworm-slim
   RUNTIME_BASE_SOURCE_IMAGE: mirror.gcr.io/library/debian:bookworm-slim
   SINGBOX_VERSION: 1.12.13
@@ -32,7 +33,7 @@ jobs:
           cd repo
 
           BUILD_HOST=local \
-          DEPLOY_HOST=111 \
+          DEPLOY_HOST="${{ env.DEPLOY_HOST }}" \
           DEPLOY_PATH="${{ env.DEPLOY_PATH }}" \
           BASE_IMAGE="${{ env.BASE_IMAGE }}" \
           RUNTIME_BASE_SOURCE_IMAGE="${{ env.RUNTIME_BASE_SOURCE_IMAGE }}" \