Bump hazelcast from 3.1.2 to 4.0.5 in /gearman-server#28

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dependabot/maven/gearman-server/com.hazelcast-hazelcast-4.0.5johnewart/gearman-java:dependabot/maven/gearman-server/com.hazelcast-hazelcast-4.0.5Copy head branch name to clipboard