ci(docker_build): update workflow to checkout code from specific repository and branch

- Add 'repository' and 'ref' parameters to the checkout step
- Specify the source repository as '113.44.68.213:3000'
- Set the branch to 'main

.gitea/workflows/docker_build.yml

@@ -25,6 +25,9 @@ jobs:
     steps:
       - name: 检出代码
         uses: actions/checkout@v4
+        with:
+          repository: 113.44.68.213:3000
+          ref: main
 
       - name: 获取分支名称
         id: branch_name