Upgrade Elastic Cloud Log Deployments [v9.2.x]

During our recent call with Elastic, Lokesh recommended we take advantage of some of the latest Elastic features by upgrading to 9.2.x. It looks like we'll have to go to 8.19.6 first.

Previous upgrade issue: Upgrade Elastic Cloud Log Deployments [v8.17.x] (#3763 - closed)

Deployments to upgrade:

• gitlab-logs-nonprod (8.17.3)
• gitlab-logs-prod (8.17.3)
• monitoring-cluster (8.17.4)