ci(workflows): 优化docker.yml配置以支持docker服务

- 在docker.yml工作流中添加docker-in-docker服务支持
- 配置服务端口2376并设置特权模式
- 添加环境变量DOCKER_HOST和DOCKER_TLS_VERIFY以正确连接docker服务
- 修正密码环境变量名称由GITEATOKEN改为GITEA_TOKEN保证一致性

.gitea/workflows/docker.yml

@@ -59,6 +59,15 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     if: gitea.event_name == 'push'
+    services:
+      docker:
+        image: docker:dind
+        ports:
+          - 2376:2376
+        options: --privileged
+    env:
+      DOCKER_HOST: tcp://localhost:2376
+      DOCKER_TLS_VERIFY: ""
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -90,7 +99,7 @@ jobs:
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ gitea.actor }}
-          password: ${{ secrets.GITEATOKEN }}
+          password: ${{ secrets.GITEA_TOKEN }}
 
       - name: Extract metadata
         id: meta