- Add a dependency group for net8.0 to the nuspec

Some target frameworks declared in the dependencies group of the nuspec and the lib/ref folder do not have exact matches in the other location. Consult the list of actions below:

Non-nullable property 'Attributes' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Dereference of a possibly null reference.

Parameter 'IMemoryService memoryService' is captured into the state of the enclosing type and its value is also passed to the base constructor. The value might be captured by the base class as well.

Parameter 'IMemoryFactory memoryFactory' is captured into the state of the enclosing type and its value is also passed to the base constructor. The value might be captured by the base class as well.

Async-iterator 'GeminiTextGeneratorAdapter.GetStreamingTextContentsAsync(string, PromptExecutionSettings?, Kernel?, CancellationToken)' has one or more parameters of type 'CancellationToken' but none of them is decorated with the 'EnumeratorCancellation' attribute, so the cancellation token parameter from the generated 'IAsyncEnumerable<>.GetAsyncEnumerator' will be unconsumed

Non-nullable property 'Attributes' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Dereference of a possibly null reference.

Parameter 'IMemoryService memoryService' is captured into the state of the enclosing type and its value is also passed to the base constructor. The value might be captured by the base class as well.

Parameter 'IMemoryFactory memoryFactory' is captured into the state of the enclosing type and its value is also passed to the base constructor. The value might be captured by the base class as well.