[NuGet] Add Analyze command to NuGetUpdater

[JoeRobich]

This PR will add an analyze command to the NuGetUpdater. The ruby update_checker will switch to using the results of this command to answer questions about updating a particular dependency.

TODO:

• Get smoke tests passing or update them if necessary

[james-asebp]

Is this change likely to help resolve (or get closer to resolving) #8578 (comment)?

[JoeRobich]

Is this change likely to help resolve (or get closer to resolving) #8578 (comment)?

This will be the first step towards addressing that issue. We will have additional information which will be used when performing the actual updates. There will be follow up changes where we calculate update plans for each project that will be more precise than the current updates.