Update twine to 3.1.1#95

pyup-bot wants to merge 1 commit intomasterpython-bonobo/bonobo-devkit:masterfrom

pyup-update-twine-1.10.0-to-3.1.1python-bonobo/bonobo-devkit:pyup-update-twine-1.10.0-to-3.1.1Copy head branch name to clipboard