- 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:

A stable release of a package should not have a prerelease dependency. Either modify the version spec of dependency "Microsoft.SemanticKernel.Connectors.Google

A stable release of a package should not have a prerelease dependency. Either modify the version spec of dependency "ModelContextProtocol.AspNetCore

Do not use 'reader.EndOfStream' in an async method (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2024)

Do not use 'reader.EndOfStream' in an async method (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2024)

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Do not use 'reader.EndOfStream' in an async method (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2024)

Do not use 'reader.EndOfStream' in an async method (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2024)

Do not use 'reader.EndOfStream' in an async method (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2024)

Do not use 'reader.EndOfStream' in an async method (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2024)

Dereference of a possibly null reference.