ES: Service maintenance + retention and index settings

[vexingly]

Elasticserch index retention must be appropriate for the size of the disk and the data being retained.

• [x] Update elasticsearch / kibana / heartbeat to latest version (dev + prod)
• [x] Scale down dev monitoring instance to save resources (dev)
• [x] Ensure bulk log data does not overflow storage (1-2 week max retention) (dev + prod)
• [x] Add long term storage index - rollup index (prod)