ci-runner: Trigger GitHub Actions Workflows and Diagnose Failed DSH Plugins

`ci-runner` is a DSH plugin that unifies GitHub Actions trigger initiation, status querying, and log viewing into a single tool. It supports streaming log output, uses DeepSeek to automatically generate fault diagnosis reports, and provides a secure credential handling solution with zero runtime dependencies. With simple configuration, the plugin enables automated CI workflows and self-healing troubleshooting.