!59 !58 docker.io无法访问，换成devstar.cn上的容器镜像来运行CI脚本，但是ubuntu-latest是匹配runner的标签，还不能直接写完整的镜像地址；

Merge pull request !59 from 孟宁/revert-merge-57-dev

.gitea/workflows/devstar-studio-dev-ci.yaml

@@ -32,7 +32,7 @@ on:
 jobs:
   build-and-push-x86-64-docker-image:
     # Actual runs-on image: docker.io/library/gitea/runner_image:ubuntu-latest
-    runs-on: devstar.cn/devstar/runner-images:ubuntu-latest
+    runs-on: ubuntu-latest
     steps:
       - name: 🔍 Check out repository code
         uses: https://devstar.cn/actions/checkout@v4