Add a CI workflow that tests the packaging using libsemigroups installed with a combination of `--disable-eigen` and `--disable-hpcombi`#362

james-d-mitchell merged 8 commits intolibsemigroups:mainlibsemigroups/libsemigroups_pybind11:mainfrom

Joseph-Edwards:update-ciJoseph-Edwards/libsemigroups_pybind11:update-ciCopy head branch name to clipboard