build(ci-cd): 添加构建时间环境变量支持

.github/workflows/ci-cd.yaml

@@ -38,7 +38,9 @@ jobs:
         run: pnpm run lint
 
       - name: 📦 构建项目
-        run: pnpm run build-only
+        run: |
+          export VITE_APP_BUILD_TIME=$(date +"%Y-%m-%d %H:%M:%S")
+          pnpm run build-only
         env:
           VITE_APP_BUILD_COMMIT: ${{ github.sha }}