ci(github): 更新 Go 工作流以支持多个服务

- 添加矩阵策略，为 facade、auth 和 user 服务配置构建和测试
- 修改构建和测试步骤，以针对矩阵中的每个服务执行

.github/workflows/go.yml

@@ -13,6 +13,9 @@ jobs:
 
   build:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        service: [ "facade", "auth" ,"user" ]
     steps:
       - uses: actions/checkout@v4
 
@@ -22,7 +25,7 @@ jobs:
           go-version: '1.23'
 
       - name: Build
-      run: go build -v ./...
+        run: go build -v app/${{ matrix.service }}/...
 
       - name: Test
-      run: go test -v ./...
+        run: go test -v app/${{ matrix.service }}/...