Switched HZ version to 3.6 to fix compile error in SyntheticTest.
Switched HZ version to 3.6 to fix compile error in SyntheticTest.

hazelcast/hazelcast-simulator,hazelcast/hazelcast-simulator,hasancelik/hazelcast-stabilizer,hasancelik/hazelcast-stabilizer,pveentjer/hazelcast-simulator,Donnerbart/hazelcast-simulator,Donnerbart/hazelcast-simulator,hazelcast/hazelcast-simulator,pveentjer/hazelcast-simulator,jerrinot/hazelcast-stabilizer,jerrinot/hazelcast-stabilizer