Include commit SHA in `[AssemblyInformationalVersion]` value (#26150)
Include commit SHA in `[AssemblyInformationalVersion]` value (#26150)

- see dotnet/arcade#5866 discussion
- leaving redundant `[AssemblyMetadata("CommitHash", ...)]` because it's used in this repo
  - e.g. src\Components\benchmarkapps\Wasm.Performance\Driver\Program.cs
  - also consistent with native images
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