fix(gcp): fall back to 'host' key when 'clusterHost' missing from DB secret#800

arniechops wants to merge 1 commit intomainscaleapi/llm-engine:mainfrom

arnavchopra/support-host-key-in-db-secretscaleapi/llm-engine:arnavchopra/support-host-key-in-db-secretCopy head branch name to clipboard