onnxruntime

9681fe68 - [C# docs] fix file-scoped namespace not supported in C# 8 (#24793)

[C# docs] fix file-scoped namespace not supported in C# 8 (#24793) ### Description Changes the namespace declaration from ```C# namespace Microsoft.ML.OnnxRuntime.CompileApi; // Code ``` to ```C# namespace Microsoft.ML.OnnxRuntime.CompileApi { // Code } ``` ### Motivation and Context file-scoped namespaces are not supported in C# 8.0, which results in an error in our documentation publishing: https://github.com/microsoft/onnxruntime/actions/workflows/publish-csharp-apidocs.yml