fly migrate-to-v2: Apps with volumes support ๐ŸŽ‰

Iโ€™m trying to migrate redis apps
flyctl migrate-to-v2 --config ./fly/fly.dev.redis.toml

or

flyctl migrate-to-v2 --config ./fly/fly.staging.redis.toml
and got the message

failed while migrating: unfortunately the worker hosting your volume vol_18l524yj5oj47zmp (redis_server_foodbank_dev) does not have capacity for another volume to support the migration; some other options: 1) try again later and there might be more space on the worker, 2) run a manual migration Manual migration to Apps V2, or 3) wait until we support volume migrations across workers (weโ€™re working on it!)