CI: Update BuildBox to 0.0.14, add Fedora 32
Update the docker images used for CI. This updates the BuildBox components to 0.0.14 and adds Fedora 32. It also drops the tests-python-3.8-buster job as Python 3.8 is now covered by Fedora 32.
Update the docker images used for CI. This updates the BuildBox components to 0.0.14 and adds Fedora 32. It also drops the tests-python-3.8-buster job as Python 3.8 is now covered by Fedora 32.