switch to the SDK version of nanoserver

This now works from the command line.
But, sa password is wrong.

src/Services/Catalog/Catalog.API/Dockerfile.nanowin

@@ -6,3 +6,4 @@ RUN set-itemproperty -path 'HKLM:\SYSTEM\CurrentControlSet\Services\Dnscache\Par
 EXPOSE 80
 COPY ${source:-obj/Docker/publish} .
 ENTRYPOINT ["dotnet", "Catalog.API.dll"]
+