breaking: remove POSTGRES prefix env variables in favor of DATABASE prefix (#8672)

.github/workflows/test-cli-with-database.yml

@@ -8,7 +8,6 @@ jobs:
       NODE_ENV: CI
       REDIS_URL: redis://localhost:6379
       DATABASE_URL: "postgres://postgres:postgres@localhost/cli-test"
-      POSTGRES_URL: "postgres://postgres:postgres@localhost/cli-test"
     services:
       redis:
         image: redis