[Epic] Transition to System.CommandLine

[liliankasem]

This is an epic as it will be a multiple stage process. We can use a feature branch for this.

Through all this work, ensure backward comptability of all actions and commands.

[Frulfump]

System.CommandLine 2.0.0-beta5 was just released and a new roadmap to GA is here https://github.com/dotnet/command-line-api/issues/2576 Importantly some packages were deprecated

Deprecating experimental projects

As part of our pivot and reevaluation, we reached decisions to deprecate experimental System.CommandLine projects that did not have a clear path toward a stable release. These packages were updated for the 2.0.0-beta5 breaking changes are included in June 2025 release, but they will be excluded from all future releases.

System.CommandLine.NamingConventionBinder version 2.0.0-beta5.25306.1 System.CommandLine.DragonFruit version 0.4.0-alpha.25306.1 System.CommandLine.Hosting version 0.4.0-alpha.25306.1 System.CommandLine.Rendering version 0.4.0-alpha.25306.1