[ci-scan] 构建失败:无法拉取 Helix 预置镜像

Build Information

Build: https://dev.Azure.com/dnceng-public/public/_build/results?buildId=1597901 Build error leg or test failing: runtime (Build Monitor Helix Jobs) - WasmTestOnChrome-MONO-ST-System.Runtime.Tests Pull Request: https://GitHub.com/dotnet/runtime/pull/133972 This is a post-close recurrence of #117164. That issue was closed on August 18, 2026; this build completed on September 17, 2026 and reproduced the same failure on both Linux and Windows Helix queues.