Find if we can use pungi / existing Fedora infra stuff / maybe osbuild - to build the bootable container

[7flying]

Outcomes

• understand how to compose bootc bootable containers in existing Fedora build infra
• understand any changes necessary changes to configuration, infrastructure to enable above
• additional issues tracking follow-up work/implementation

[miabbott]

@travier has some existing work in progress:

https://pagure.io/pungi-fedora/pull-request/1227
https://pagure.io/pungi-fedora/pull-request/1226

[miabbott]

Looks like osbuild has a new iot-bootable-container artifact - osbuild/images#361

[pcdubs]

This was completed in Fedora 40.

OSbuild:
https://pagure.io/fedora-iot/pungi-iot/c/b9b03da2d57d47a8b73d37449e6d557a3731ed71?branch=f40

Runroot:
https://pagure.io/fedora-iot/pungi-iot/c/69a2072bdc9e56e17e1a30fcb511fbc31165b7f2?branch=f40