.NET 8 reaches next step in deprecation of `BinaryFormatter`

Starting with .NET 8, [`BinaryFormatter` throws `NotSupportedException`][net80-change] across nearly all project types, including console applications (except Windows Forms and WPF). This run-time change is the next stage of the [`BinaryFormatter` obsoletion plan][bf-deprecation], in which `BinaryFormatter` will eventually be removed from .NET.

> [!NOTE]
> Should you need to continue using `BinaryFormatter`, you can set a compatibility switch in your project file to re-enable `BinaryFormatter` functionality. See the [.NET 8 breaking change notification][net80-change] for more details.

> [!NOTE]
> Please note that there is no change [planned][bf-deprecation] for .NET Framework.

The reason is that `BinaryFormatter` has many [security considerations][bf-security], which makes the API inherently prone to security issues.

[net80-change]: https://learn.microsoft.com/en-us/dotnet/core/compatibility/serialization/8.0/binaryformatter-disabled
[bf-deprecation]: https://github.com/dotnet/designs/blob/main/accepted/2020/better-obsoletion/binaryformatter-obsoletion.md
[bf-security]: https://learn.microsoft.com/en-us/dotnet/standard/serialization/binaryformatter-security-guide