This builds on @S7evinK's work to make multi-stage Docker builds. Now
that we can build SQLite without Cgo this should be much simpler and
should make Docker builds in CI significantly faster.
Co-authored-by: Till Faelligen <tfaelligen@gmail.com>
Co-authored-by: Till Faelligen <davidf@element.io>
Co-authored-by: Till Faelligen <2353100+S7evinK@users.noreply.github.com>