Example appears to be out of date

The given example has CoreEventIds of IncludeIgnoredWarning and ModelValidationWarning. Neither of these are available in EF Core 7.

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#### Document Details

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* ID: 96dacb17-7fce-1e8c-2722-25de729c0811
* Version Independent ID: b9d51491-c6f0-b258-812a-8bd75577e437
* Content: [DbContextOptionsBuilder.ConfigureWarnings Method (Microsoft.EntityFrameworkCore)](https://learn.microsoft.com/en-us/dotnet/api/microsoft.entityframeworkcore.dbcontextoptionsbuilder.configurewarnings?view=efcore-7.0)
* Content Source: [dotnet/xml/Microsoft.EntityFrameworkCore/DbContextOptionsBuilder.xml](https://github.com/dotnet/EntityFramework.ApiDocs/blob/live/dotnet/xml/Microsoft.EntityFrameworkCore/DbContextOptionsBuilder.xml)
* Product: **ef-core-api**
* GitHub Login: @dotnet-bot
* Microsoft Alias: **avickers**