Fix timeout issue

Fix timeout issue. Reduce keep alive time from 3m to 30 sec. Upgrade the gremlin library. Fix error: Timed-out waiting for connection on Host{address=osdu-mvp-crdev-vq1b-graph.gremlin.cosmos.azure.com/52.179.143.233:443, hostUri=wss://osdu-mvp-crdev-vq1b-graph.gremlin.cosmos.azure.com:443/gremlin} - possibly unavailable)