Bump hazelcast from 3.12 to 4.0.5 in /04-distributed-engine#3

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dependabot/maven/04-distributed-engine/com.hazelcast-hazelcast-4.0.5Java-Events/20191030_jfall_workshop:dependabot/maven/04-distributed-engine/com.hazelcast-hazelcast-4.0.5Copy head branch name to clipboard