[release/8.0.1xx] Update dependencies from dotnet/source-build-externals

[dotnet-maestro[bot]]

This pull request updates the following dependencies

From https://github.com/dotnet/source-build-externals

• Subscription: b8b0b6ca-a010-4625-9e96-08db9f47cad7
• Build: 20240729.1
• Date Produced: July 29, 2024 1:59:25 PM UTC
• Commit: fb970eccb0a9cae3092464e29cbabda0d4115049
• Branch: refs/heads/release/8.0

• Updates:
  • Microsoft.SourceBuild.Intermediate.source-build-externals: from 8.0.0-alpha.1.24361.1 to 8.0.0-alpha.1.24379.1