[main] Update dependencies from dotnet/arcade

[dotnet-maestro[bot]]

This pull request updates the following dependencies

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

• Subscription: 272aed7a-a016-4fc1-8897-08d8446df6cf
• Build: 20240821.4
• Date Produced: August 21, 2024 6:41:26 PM UTC
• Commit: 4460b755f3c7c89e9660d9580ff79afc4218dd85
• Branch: refs/heads/release/8.0

• Updates:
  • Microsoft.SourceBuild.Intermediate.arcade: from 8.0.0-beta.24413.2 to 8.0.0-beta.24421.4
  • Microsoft.DotNet.Arcade.Sdk: from 8.0.0-beta.24413.2 to 8.0.0-beta.24421.4