As a FOSS project which publishes debs, it's a real hassle using current tooling. The tools are heavily biased towards the needs of distro maintainers, forcing projects into overly complex workflows which are overkill for a small numbers of packages. Features that would benefit smaller repositories with more frequent updates are limited or missing.

The other options is to DIY without tooling (essentially, write custom tooling as scripts or whatever), which is messy and full of pitfalls to the inexperienced.