* refactor: 💡 consolidate ssh features into ssh-target flag
✅ Closes: ICU-8383
* refactor: 💡 factor out base edition
* feat: 🎸 dynamic feature edition enablement and toggling
* refactor: 💡 remove explicit byow-pki-upstream, as it is default
✅ Closes: ICU-8551
* refactor: 💡 extract feature flag config into separate file