[main] Update dependencies to ensure coherency

[dotnet-maestro[bot]]

Coherency update: Failed to perform coherency update for one or more dependencies. Please review the GitHub checks or run darc update-dependencies --coherency-only locally against darc-main-2d23f62f-5696-4b5e-9103-23a78af8f6f0 for more information.

[mmitche]

@jaredpar

[jaredpar]

@dotnet/roslyn-infrastructure PTAL.

Note: the last commit is the work necessary to adjust our repo to working with a .NET 9 SDK.