Rollout 2025-06-03 / 20250602.4

https://dev.azure.com/dnceng/internal/_build/results?buildId=2721580

What's Changed

• Silence failures from test PRs by @premun in #4895
• [automated] Merge branch 'production' => 'main' by @github-actions in #4898
• Post a comment about a PR conflict by @premun in #4901
• [main] Update dependencies from dotnet/arcade by @dotnet-maestro in #4906
• Use HttpRequestException.StatusCode during exception handling by @copilot-swe-agent in #4905
• Include mutex wait time in work item delay by @premun in #4908
• Add --force option to darc trigger-subscriptions command by @copilot-swe-agent in #4904
• Fix dependency updates in backflow commit msg by @adamzip in #4902
• [Rollout] Production Rollout 2025-06-03 by @dkurepa in #4911

Full Changelog: v20250529.2-1.1.0-beta.25279.2...v20250602.4-1.1.0-beta.25302.4