For a rebuild with no source changes, the version number should be -2build1, not -2ubuntu1; and there's no need to change the Maintainer field in this case. I've made those changes here and will sponsor.
For a rebuild with no source changes, the version number should be -2build1, not -2ubuntu1; and there's no need to change the Maintainer field in this case. I've made those changes here and will sponsor.