feat: [DTOSS-11877] set the alerts_enabled feature to false for dev and sandbox#1794

MacMur85 merged 1 commit intomainNHSDigital/dtos-cohort-manager:mainfrom

feat/DTOSS-11877-disable-alerting-in-dev-and-sandboxNHSDigital/dtos-cohort-manager:feat/DTOSS-11877-disable-alerting-in-dev-and-sandboxCopy head branch name to clipboard