(Can I post the link, to the open source repo? Is it against the rules? I mean MS owns github and has no problem hosting it)
If you are a student or work at a supported educational institution: I think Windows 11 Education is to my knowledge basically identical to Windows 11 Enterprise (at least for Windows 10, this was the case). In these versions, you can use LTSC updates if you want.
Only way is usually to buy devices that have such a license included.