Support quorum config for Qumulo Core 6.1.2 onward, software upgrade order and timeouts updated

What's Changed

• updated ec2-instance-types script to support m6i by @gokulku in #43
• Support quorum formation 6.2.1 onward, update software upgrade order … by @dackbusch in #46

New Contributors

• @gokulku made their first contribution in #43

Full Changelog: v5.0...v5.1