Renovate: Upgrade Elasticsearch/Kibana Package Dependencies

• Follow steps in package update docs to upgrade the package.

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• Update Ironbank Docker tags to v7.16.1 (ironbank/elastic/elasticsearch/elasticsearch, ironbank/elastic/kibana/kibana, registry1.dso.mil/ironbank/elastic/elasticsearch/elasticsearch, registry1.dso.mil/ironbank/elastic/kibana/kibana)