Add Windows statistics protobuf pacakge

[jsturtevant]

This adds the necessary protobuff files and configures it so we can generate ttrpc stats endpoint. The import for a package would look like:

use containerd_shim_protos::windows::stats::{Statistics, WindowsContainerStatistics}

[jsturtevant]

looks like the golang issue is now regular occurance

go: github.com/AdaLogics/[email protected] (replaced by github.com/AdamKorcz/[email protected]): version "v0.0.0-20230111232327-1f10f66a31bf" invalid: unknown revision 1f10f66a31bf

[mxpv]

looks like the golang issue is now regular occurance

This should be fixed with #179, right? Should we rebase the PR?