Property or indexer 'IOpenApiMediaType.Example' cannot be assigned to -- it is read only

[rdeveen]

Describe the bug
Just a simple .NET API with OpenAPI support and generation of Open API Specification. Was working on the 2.3.9 version but now refused to build on the 3.0.0 version.

C:\Sources\api\src\Api\obj\Debug\net10.0\Microsoft.AspNetCore.OpenApi.SourceGenerators\Microsoft.AspNetCore.OpenApi.SourceGenerators.XmlCommentGenerator\OpenApiXmlCommentSupport.generated.cs(460,41,460,58): error CS0200: Property or indexer 'IOpenApiMediaType.Example' cannot be assigned to -- it is read only

OpenApi File To Reproduce
None has been generated.

Expected behavior

Screenshots/Code Snippets

Additional context
Add any other context about the problem here.

[rdeveen]

Sorry, not your fault, see: dotnet/aspnetcore#64317