2.8.2

What’s Changed

Added and Fixed

• Add func to delete unused triggers without subscriptions by @kissken in https://github.com/moira-alert/moira/pull/851
• Fix incorrect key naming that broke subscriptions and contact of anonymous user in upgrade from 2.7 to 2.8 by @kissken in https://github.com/moira-alert/moira/pull/850 * For fix incorrect behaviour run cli command update --from-version=2.7 --to-version=2.8