Upgrade fails using : sdb-deploy upgrade --online --file-path /path/to/memsql-server.rpm

This cluster does not have internet access.
Attempting testing environment cluster upgrade as online upgrade:

this command fails: sdb-deploy upgrade --online --file-path /path/to/memsql-server.rpm

when run with -v=3 --I see that it makes a call to the online release server looking for a json file that has the version information.

Debug 2023/06/09 00:27:42 downloader.go:122 Fetching package meta from https://release.memsql.com/production/index/singlestoredbserver/7.1.21.json

^CDebug 2023/06/09 00:27:54 downloader.go:128 singlestoredb-server package index not found for specified channel and version, trying memsql-server:
https://release.memsql.com/production/index/memsqlserver/7.1.21.json
Cannot check whether your target version is production version of SingleStore DB. Would you like to continue? [y/N]

What are my options?

You can go ahead and update. (y),
However, please be sure to download the most recent rpm from UI Offline Deployment - Red Hat Distribution ยท SingleStore Documentation