jenkins support for devcontainers cli as a plugin

In Jenkins we can start an agent on a docker image but those can't be devcontainers.

I would love to see a Docker-like plugin for Jenkins, enabling us to spawn a devcontainer as a Jenkins agent directly.

Starting a devcontainer as a docker image require fetching label and executing those within the container, it is quite complex to do when not using the tool.

该 issue 未指定文件、测试或入口点。首先检查 Jenkins agent/plugin 集成，以及用于获取 devcontainer 标签并执行它们的 CLI 行为；完成标准是 Jenkins 能够直接将 devcontainer 作为 agent 启动，并应用所需配置。

由索引模型根据 Issue 内容生成。