Make CA1062 respect null checks by Guard
Make CA1062 respect null checks by Guard

CA1062 needs an attribute on the Guard class to acknowledge it properly.
See https://github.com/dotnet/roslyn-analyzers/issues/3451#issuecomment-606690452

fluentassertions/fluentassertions,dennisdoomen/fluentassertions,jnyrup/fluentassertions,fluentassertions/fluentassertions,dennisdoomen/fluentassertions,jnyrup/fluentassertions