[release/8.0.1xx] Update dependencies from dotnet/arcade

[dotnet-maestro[bot]]

This pull request updates the following dependencies

From https://github.com/dotnet/arcade

• Subscription: 2cbe51f0-9996-415b-bc2e-08dbc5c9de04
• Build: 20251211.2 (294298)
• Date Produced: December 11, 2025 11:57:29 AM UTC
• Commit: 4b01306353c43c151d713d152f48a4d523c41960
• Branch: release/8.0

• Dependency Updates:
  • From 8.0.0-beta.25577.1 to 8.0.0-beta.25611.2
    • Microsoft.DotNet.Arcade.Sdk
    • Microsoft.DotNet.Helix.Sdk
    • Microsoft.DotNet.SignTool
    • Microsoft.DotNet.XUnitExtensions

[nagilson]

Dupe issue from https://github.com/dotnet/sdk/pull/52036