Pin Hazelcast to 3.x until we officially support Hazelcast 4
Pin Hazelcast to 3.x until we officially support Hazelcast 4

On the 4-BETA-1, our Hazelcast support does not even compile. We will need to consider how to support 3 and/or 4. In the meantime, pin to major version 3 as that is what we have been supporting.

Resolves #1696

micrometer-metrics/micrometer,micrometer-metrics/micrometer,micrometer-metrics/micrometer