PR Summary

In .NET 9, the deprecated call to AssemblyName.ProcessorArchitecture returns MSIL so this causes the module manifest ProcessorArchitecture keyword to fail (unless it specifies MSIL. Change is to use the current process architecture, however, this is a different enum, so we have to do direct comparisons. The module manifest limits what ProcessorArchitecture values are allowed, so we only need to check those.

This is a regression from 7.4

PR Context

Fix #24225

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