Support AOT for basic consumer app

[latop2604]

Hello, I managed to have my app working with AOT on windows and linux (ubuntu wsl). I tested only with net8.0 framework.

It's a basic consumer app with avalonia UI. But can be summarized as below:

var config = new ConsumerConfig
{
    BootstrapServers = kafkaServers,
    GroupId = "GroupIdPrefix" + Guid.NewGuid(),
    AutoOffsetReset = AutoOffsetReset.Latest,
};

using var consumer = new ConsumerBuilder<string, byte[]>(config)
    .SetErrorHandler((_, e) => {/* ... */})
    .Build();

consumer.Subscribe("my-topic");

while (true)
{
    var result = consumer.Consume(TimeSpan.FromMilliseconds(1000));
    // ...
}

I don't know if it will work with the current list of TargetFrameworks or if we need to add net8.0 explicitly.

Waiting for your feedback.

Should fix https://github.com/confluentinc/confluent-kafka-dotnet/issues/2146

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[latop2604]

Any opinion about this mr @anchitj ?