Fix: Auth example updated to refactored auth API
Fix: Auth example updated to refactored auth API

flightaware/cpp-driver,hpcc-systems/cpp-driver,mikefero/cpp-driver,mikefero/cpp-driver,hpcc-systems/cpp-driver,mikefero/cpp-driver,hpcc-systems/cpp-driver,datastax/cpp-driver,flightaware/cpp-driver,mikefero/cpp-driver,datastax/cpp-driver,datastax/cpp-driver,mikefero/cpp-driver,hpcc-systems/cpp-driver,flightaware/cpp-driver,flightaware/cpp-driver,datastax/cpp-driver