Backport 7445d18b05791e210c5d2682d7893ee4d47edb0a
Backport 7445d18b05791e210c5d2682d7893ee4d47edb0a

Only push the current version to nuget.

krlohnes/tinkerpop,krlohnes/tinkerpop,apache/tinkerpop,robertdale/tinkerpop,krlohnes/tinkerpop,apache/incubator-tinkerpop,pluradj/incubator-tinkerpop,apache/incubator-tinkerpop,robertdale/tinkerpop,pluradj/incubator-tinkerpop,apache/incubator-tinkerpop,robertdale/tinkerpop,apache/tinkerpop,krlohnes/tinkerpop,apache/tinkerpop,pluradj/incubator-tinkerpop,krlohnes/tinkerpop,apache/tinkerpop,apache/tinkerpop,robertdale/tinkerpop,apache/tinkerpop,robertdale/tinkerpop,apache/tinkerpop