Please document the available architectures for dedicated nodes

Summary

This says

https://github.com/eclipse-cbi/cbi/wiki#dedicated-agent

Dedicated Agent
Agent type 	Linux/Windows/macOS (VMs)
vCPU 	4
RAM 	16 GB
Disk 	100 GB

But there is no information about the architecture, both windows (x86/arm), Linux (x85/arm/...) and macOS(x86/...) have different architectures these days so it would be good to know what ones are available.

Priority

• Urgent
• High
• Medium
• Low

Severity

• Blocker
• Major
• Normal
• Low

Impact

Users can't know if their desired architecture is available...