[release/8.0] 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: b3379495-27ec-4d3f-8040-08dbca45f541

• 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.1.24168.2 to 8.0.0-alpha.1.24379.1