use ec2stats2 to help understand how to migrate from redis 4 to latest. enhance the script to scan for deprecated calls and other roadblocks to move to the latest.

[alberttwong]

IHAC that has 100s of elasticache clusters. Can we enhance the script to scan for deprecated calls and other roadblocks to move to the latest?

[alberttwong]

slack message with PM. https://redis.slack.com/archives/C1NKRTCTW/p1775007872799759