Upgrade docker on integration test jobs.
Upgrade docker on integration test jobs.

mwutzke/faucet,shivarammysore/faucet,mwutzke/faucet,anarkiwi/faucet,faucetsdn/faucet,trungdtbk/faucet,faucetsdn/faucet,REANNZ/faucet,shivarammysore/faucet,trungdtbk/faucet,REANNZ/faucet,anarkiwi/faucet