Update devpi-client to 7.0.0#84

pyup-bot wants to merge 1 commit intomasterluzfcb/docker-devpi-nginx:masterfrom

pyup-update-devpi-client-5.2.2-to-7.0.0luzfcb/docker-devpi-nginx:pyup-update-devpi-client-5.2.2-to-7.0.0Copy head branch name to clipboard